is now living as kristen beck, the woman she always felt she was. how do you think back on your service? >> i'm proud. i served my country the best i could, and the abilities that i was given, you know, at birth i was given this body and i'm going to do as good as i can and it's the same thing. >> more of my exclusive interview monday night on "360." that does it for us. thanks very much for watching. "piers morgan live" starts now. i'm susan hendrix with breaking news of a shooting rampage in southern california. police say at least six people were killed after a gunman opened fire in santa monica. the spree ended at santa monica college with the suspect dead. miguel marquez is at the scene with the very latest on this breaking news. kind of take us through what happened here, seven locations involved. this began at a home as i said,

and ended at santa monica college, right? >> reporter: yeah. just a breathtaking afternoon here in santa monica. getting your head around this is very difficult. at 11:55, there was a house fire, at 11:55 pacific time, a house fire in santa monica not too far from the university here, where two people were found inside shot and killed. a witness, next door neighbor, says they saw a man dressed all in black leave that house, carjack someone there, shoot somebody in another car that wouldn't drive fast enough, wouldn't get out of their way fast enough, and then police then recounted what happened in the hours after that. in location after location, sounds about six different locations, this man dressed in black with an ar-15, which is the civilian version of the m-16, it's a semiautomatic sort of assault weapon or assault style weapon, six different locations he engaged people. it all ku culminated at santa

monica college where he went to the library and had a shootout with authorities there. six people are dead, at least six people are dead. the gunman is also dead. we have a picture of the gunman as he was shot. it's disturbing to see, but the gunman dressed all in black laying on a sidewalk. many witnesses said they saw him as they left the school. just a terrifying day here in southern california. >> miguel, what is this i hear about a person of interest in custody? any more info on that? >> reporter: not at the moment. all police are saying is that there was somebody else arrested, they are calling them a person of interest. it is not clear at the moment if that person is connected to what happened here but they said there was enough information to hold them until they can sort it all out. we also know that police were going through the school and it appears that that may be done now. they said they were 90% done a little over an hour ago. we've seen a lot of heavily

armed police now leaving the area and the helicopters have also left. so we suspect that the school is completely secure and that we're at a place now where they believe they have everything under control. >> which is a good thing. miguel marquez, thank you. to recap breaking news, at least six people are dead in a rampage in santa monica, california. stay with cnn for the very latest. anderson cooper will be back at 10:00 eastern, 7:00 pacific with the latest. this is the latest mass shooting in america and tonight, piers morgan talks exclusively to a cold-blooded killer who had plans to carry out his own rampage. you will hear his chilling words and his warning to others, in the piers morgan special "inside the mind of a killer." tonight, a special "piers morgan live" inside the mind of a killer. >> columbine. >> i really identified with what eric and dylan went through.

th they were my heroes. >> aurora. >> this stuff builds up over time. >> sandy hook. >> if i had an assault weapon, things would have been much worse. >> why did they do it? joshua cooke says he has the answer. he is known as the matrix murderer. >> i would see myself in that role. >> the teenager who picked up a shotgun and killed his parents in their suburban virginia home. now joshua cooke tells his story in an exclusive prison interview with piers. >> i don't blame anyone but myself. >> the crime, the confession and a warning about the next adam lanza. >> these people were ticking time bombs. >> this is a special "piers morgan live" inside the mind of a killer. >> good evening. it's been ten years since joshua cooke did the unthinkable. on february 17th, 2003, the then 19-year-old picked up a shotgun, pointed it straight at his mother and father, and pulled the trigger, killing them both. how could he murder his parents? why did he do it? for a decade, joshua cooke has kept the motive a mystery until

now. for the first time, the killer dubbed the matrix murderer is speaking out about the crime that made headlines across america and put him behind bars for 40 years. this is more than one man's story of crime and punishment. joshua cooke thought about the massacres at columbine, sandy hook and aurora and tonight wants to speak directly to troubled people who might be thinking about doing something similar. he joins me for his first ever television interview. i ask by asking him about that winter day in 2003. you've had lots of time now to think about what happened on that day. why do you believe you killed your parents? >> well, that's a good question, piers. i think i would have to say that it was a combination of things. i would have to say there was bullying, there was abuse, there was psychological factors. psychological factors that i didn't know about until actually

after i got incarcerated. i found out that my biological parents were schizophrenics and i wish i had known these things when i was younger, but i didn't -- i didn't know. but i'm not blaming anything on anyone else. i take full blame and responsibility for what i did. i had a lot of rage, anger, hate, hate to the world, hate to people who hurt me, things like that. >> you had been adopted by your parents at the age of about 6 or 7 with your sister, who is your biological sister. let's go back to the day of the crime. you were 19 years old. you were pretty obsessed with violent video games and in particular, you were obsessed with the movie "the matrix." do you remember watching "the matrix" repeatedly, watching these video games, and the kind

of effect it had on you? >> when i would watch "the matrix" i would see myself in that role. i would see myself shooting the bullies and people who had hurt me in my life. this movie was a type of release of aggression. it actually, it made me feel better when i would watch it. so i watched this movie hundreds of times and i watched it so much at one point that the tape wore out and i had to buy a new one. and the video games were the same, played the same part. video games like "grand theft auto," "blood rain," "resident evil," "doom," "quake," a lot of these shooter games, when i would play these games, i just -- it did a lot for me mentally where i could release my aggression with these games.

and i could almost bring my fantasies to fruition the way i would just immerse myself in these games. sometimes i would play them 12, 15 hours a day without leaving my room and i would have food and all kinds of things stashed in my room so i wouldn't have to leave. i did that for all my high school years and into college. i ended up flunking out of college because i would just -- that's all i did all day was play these games. >> there are people who say that there can be no link between these violent games and the kind of shootings that we have seen as a result, people like adam lanza also played them and then committed the atrocity at sandy hook. but i have always believed it would be very conceivable that you could turn to violence if you yourself were mentally unstable. do you believe now that that was the case? >> to put it bluntly, i know that there's something wrong

with me. in my head. but like i said, i don't blame what i did on anyone else but i do think many times in my life i have thought that i may have some form of schizophrenia and i had a psychologist one time diagnose me, this is after i got incarcerated, he diagnosed me with a form of simple schizophrenia. that type has been discounted by some doctors, but i think there is some type of schizo there. i don't know for sure. i have never had a full psychological workup or brain scan. i've always wanted that but i've never had that. so it's definitely possible that i inherited some of these types of -- this type of illness. >> you were fascinated by the columbine killers, because they also claimed to have been bothered by bullies. you repeatedly watched a video

that harris and klebold made for a school project called hit men for hire. they were of course the columbine shooters. in which they talk about killing bullies. how much was that playing on your mind, do you think, through this period leading up to what you did? >> it impacted me a lot. you know, this movie and that shooting are two things that basically they radically changed my life and i was never the same. they both -- in both movies they wore black trenchcoats and dylan klebold and eric harris were associated with this group called the black trenchcoat mafia and i really identified with that. i really identified with what eric and dylan went through. not to say that they were, you know, any kind of good guys or heroes but back then, they were for me, they were, unfortunately. i'm sorry to say that and it's sick and i've had a lot of time to think about it and come to realize how wrong it was but back then they were my meroes so i would look at them and almost

id idealize them. i wanted to be like them. so the thing with the black trenchcoat, it was really me relating to neo but also to the columbine shooters and that whole -- that whole scenario with the columbine shooters and with dylan and eric in the trenchcoat, the trenchcoat symbolized my pain, my aggression, my frustration, even my homicidal and suicidal mentality at the time. it was really a period about four years between columbine and when i got arrested. this time period, i just got deeper and deeper into a hole that i couldn't get out of, and i just got more and more homicidal and just basically, my rage and my anger and my hate were just building up. it was a ticking time bomb and it just -- it was only a matter of time until it exploded. >> you heard joshua cooke say he

was a ticking time bomb. coming up he talks about the moment he decided to murder his parents. first, an extraordinary message from cooke. he speaks directly to anyone who might have thoughts about committing a copycat crime. >> if you're watching me, and you're contemplating multiple murder, mass murder, i want you to know something. i understand you. i've been where you are. i know -- i know how you've come to where you are mentally and why you're considering murder and suicide and things like that. this is the one i was telling you about,

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take the next step. talk to your doctor. cymbalta can help. this is a "piers morgan live" special inside the mind of a killer. joshua cooke was 19 when he shot his mother and father ten years ago. he says violent video games and movies like "the matrix" fueled his rage. he worries the same thing has happened to other killers and will happen again. joshua cooke is serving a 40 year prison term and now in his first television interview, he tells me about the day he killed his mother and father and how easy it was to get his hands on the weapon. you purchased a gun. do you remember where you got

the gun and were you subjected to any kind of background check? >> yeah, i do remember. i bought the shotgun from a guy in a sporting goods store in falls church, virginia. there was a background check. i actually -- i was actually coming off from work. i was working at jiffy lube at the time. on my way home, i stopped by the store and picked it up. they did a background check. the clerk showed me how to use the gun because i had never held one before, and within an hour, maybe an hour or two, i was taking the gun home with me. >> and was your intention when you purchased the gun to murder your parents? >> actually, it wasn't. at the time, i didn't know if i would do it. it had been running through my mind but i didn't know if i really would do it or when or anything like that. but i had a lot of evil, violent murderous thoughts running through my mind constantly.

but it was definitely a possibility that i could do it soon. i just didn't know for sure. >> but did your adoptive parents, do you think, have any real idea of what you were going through in your head? >> they didn't know really what was going on. they had a small idea that i was a troubled kid. in some ways they had kind of given up on me, especially in my high school years, but i used to ask my parents about my biological parents all the time, and they would never tell me anything. this was a great frustration to me. i always wanted to know who they were, what type of people they were, you know, anything, health concerns they may have had. i never got to know any of those type of things. my parents wouldn't let me know. this is one thing i was really frustrated with them about. i remember my mom even telling me to shut up one time when i asked her about it. >> but they never mistreated

you, your adoptive parents? >> my adoptive parents, my father was -- he wasn't like that with me. but my mother, she would beat my sister and i a lot, and there would be times, you know, this happens with kids, you wet the bed and things like that, she would come in the room and basically she would force our faces into the urine and make us sleep in the wet beds and smack us and call us disgusting and if -- and there was a "washington post" article ten years ago and my sister corroborates that in the magazine that she went through the same thing and we used to talk about it the day after. this happened often. and we were terrified of our mother. we were terrified of her. with our mother, there definitely was a lot of abuse, with my adoptive mother. >> on the day that you decided that you were going to kill

them, you were playing various musical records. the one that was key to this was a song called "let the bodies hit the floor." what was going through your head as you heard that music? >> i had been listening to the song for about a year nonstop. and i just knew that i had so much hate and rage inside of me that i knew it was leading to murder. so the song "bodies" from drowning pool was something that again, similar to the video games, it made me feel better when i would listen to it. i would have these constant evil hateful thoughts running through my mind. >> there is some evidence that jar jared loughner, who shot gabby

giffords, listened to that song. the band insists the song is about a mosh pit, not murder. but again, with violent video games, do you think that violent musical video and music can have a profound and disturbing effect on people who may themselves be mentally unstable? >> i believe so, especially on the young mind. a young person's mind is very easy to lead a young person's mind into things like that, easy to influence, you know. i can say that from experience. what you see on tv and media and things like that, it can radically affect you if looking at it like this for extended periods of time, it can really affect a young person's mind if it goes unchecked. >> the moment that you decided that you were going to kill your parents, why did you decide that they had to die and what then happened?

>> that's a good question. i was at a point in my life where i didn't care about anyone or anything anymore, and i wanted to die. so as i said before, i was thinking these murderous thoughts for a long time. the day that it happened, i had actually helped my parents shovel the snow out of the driveway and i didn't really feel right that whole day. i just knew that i wanted to die and i wanted my life to end, my life as i knew it back then, i wanted it to end. and i had a lot of hate for my mother and for my father. so at the end of the day, after i had finished playing all these violent video games, i was

sitting on my bed and i picked up the shotgun and i turned on the "bodies" song and i looked up at "the matrix" poster, and i just decided that that was it. there was nothing left in my life. and i just wanted to end -- i wanted to end my life and theirs. but unfortunately, i really went through with it and you know. >> you went down and you found your mother first, and you shot her directly. as you were doing that, what was the sensation that you were experiencing? >> actually, i had no emotion at all. i was basically like a zombie. i just, i went down the steps and i shot my mother. she was sitting in a chair at

the computer. she had spun around and i shot her and it grazed -- it grazed her chest, and i turned, looked over at my father, he was at the other computer, and he dove under the table, and i shot about seven times underneath the table, and i had no emotion at this time at all. i was numb. and there had been so many years of hurt from others' abuse and bullying, rejection from girls, all types of things like that, i didn't care about anything anymore. so after i had finished shooting my father, i went upstairs and reloaded and i came back down to the top of the stairs of the basement and my mother was standing there at the bottom of the steps, and she looked at me

and she had her hands like this, at her chest, and she said what are you doing, joshua, why did you do this. and i loaded the gun, i pointed it at her face, and i shot her in the face. i walked down the steps, i stepped over her body, and i shot my father in the head one more time. and then i walked back upstairs, set the gun down, i grabbed a coke, drank it, then called the police. and i had no emotion this whole time. i just wanted to die and end everything. >> even at the moment that you realized you had murdered both your parents, was there any kind of reality check or did you still believe this was some weird horrible violent video game that you were possibly

enacting for real? >> the things that went on that night, it really reminded me -- it did remind me of "the matrix." i had seen that so many times and the video game, i had really become desensitized to violence and bloodshed and things like that. so when i was doing it, it was -- it really did remind me of the game a lot. i don't know for sure if i really would say that i felt like i was in the game, but it felt like -- it almost felt like i was. everything just reminded me eerily of all those video games i played for so long over the years. i know those games had an impact on me. so the people who say that they don't have an impact, they have an impact on a young person's mind. >> chilling warning about the dangers of violent video games when we come back. why joshua cooke says he knows what went on in the minds of the columbine and sandy hook killers.

first, more of joshua cooke's urgent message to anyone who might think mass murder is the answer to their problems. >> maybe you've been abused like i was, or bullied in school, or been rejected by girls and maybe you're addicted to these violent video games and things like that. but you don't know the pain that you're going to cause with this type of shooting. you think you do, but you don't. and you got to think about your family. you got to think about your friends, how much it's going to hurt them. (girl) what does that say? (guy) dive shop. (girl) diving lessons. (guy) we should totally do that. (girl ) yeah, right. (guy) i wannna catch a falcon! (girl) we should do that. (guy) i caught a falcon. (guy) you could eat a bug. let's do that. (guy) you know you're eating a bug. (girl) because of the legs. (guy vo) we got a subaru to take us new places. (girl) yeah, it's a hot spring. (guy) we should do that. (guy vo) it did. (man) how's that feel? (guy) fine. (girl) we shouldn't have done that. (guy) no. (announcer) love. it's what makes a subaru, a subaru.

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welcome back to a special

"piers morgan live," inside the mind of a killer. joshua cooke planned to murder his parents and in 2003, that's exactly what he did. first killing his father with a 12 gauge shotgun before reloading and executing his mother. we spent a lot of time on this show talking about guns and why i believe we need common sense gun control legislation. this is an opportunity to explore what's behind the gun. joshua says mental illness played a part in his crime. in his first ever television interview, he speaks out to other killers. joshua, there will be many people watching this who will say all you're doing now is making excuses for what you did, that actually you were just a ruthless cold-blooded killer, and that it's convenient for you now to blame possible schizophrenia, video games, music, other mass shootings and so on. what do you say to those people? >> well, obviously whenever i talk to anyone about this, i always tell them that i don't blame anyone but myself.

and i have no one to blame but myself. i don't blame anything or anyone else. we're all held accountable for our own choices. we all have choices to make. i'm not the only one who's gone through things in my life and played violent video games and things like that. all i'm saying is that these things do contribute and they accumulate, and especially with someone who may have psychological issues like i know i've had, it just, you can become a ticking time bomb. >> if you had two biological parents who were diagnosed with schizophrenia, it seems extraordinary that you were not picked up as a potential risk. do you think the system, the mental health system in america, should have picked you up earlier? >> yeah, absolutely. i agree. i spent a lot of time thinking about that just in frustration and anger that i never got to know those things growing up my whole life about my biological parents. i mean, who wouldn't want to know that both of their parents

were mentally ill, in and out of mental institutions and schizophrenics and things like that. that's something that i should have known from a very early age and so i could have gone to the right types of professionals and doctors to get myself checked out. but i never knew growing up all those years. so that's a really big deal to me. >> when you've seen the mass shootings at places like aurora, in the movie theater with james holmes, and also with adam lanza at sandy hook, do you recognize from everything that you've read about these two shooters similarities in the way that perhaps you were thinking at the time that you committed your atrocity? >> absolutely. whenever these incidents happen, there are several things that pop into my mind because i've been there. i know there was psychological issues involved. these people were not right, obviously.

at least the majority of them aren't. they've had psychological issues. maybe there's been abuse in their life, bullying in school for years. like i said, rejection from girls. that plays a part. violent video games. nobody just snaps overnight and just decides hey, i'm going to go shoot a whole school up or something like that. it doesn't happen. this stuff builds up over time and these people were ticking time bombs. you know, i wish people had seen the signs in me beforehand, before i did what i did, but unfortunately, that didn't happen. >> you were able to go as a 19-year-old, buy a shotgun and a load of ammunition and go and murder your parents. do you think that the easy availability of guns is also a big problem in america for disturbed young men in particular like yourselves? >> absolutely. that is a big problem. and you know, one thing i would

like to address with what you brought up about, you know, the availability of guns is with regard to assault weapons, if i had an assault weapon, things would have been much worse. i thank god i didn't have an ar-15 or some other type of assault weapon, because the way i was back then mentally, i would have gone to the mall that night or to one of my old high schools the next morning and killed as many people as i possibly could. but because i didn't have an assault weapon, that didn't happen. so i thank god ai didn't have oe of those things. the gun does matter. >> obviously you'll be in prison for a very long time. you did a terrible thing that day, killing your parents. if you had the chance to speak to them again, you never will, but if you did have the chance,

what would you say to them? >> first, i actually do believe i will see them again. i believe in redemption. i believe in god. i do believe i will see them again and when i see them, i know that we're going to be reconciled and we're going to talk it out and my parents were christians. they made some mistakes. they had faults like every other parent does. but i know i would tell them that obviously that i'm sorry, that i love them, that i want to thank them for everything that they did for me growing up, and give them hugs, hugs and kisses and just embrace them, and go from there. i look forward to that. >> are you now receiving any kind of treatment or medication for any mental health issues? >> no, i'm not. years ago in 2004, i was on four different antidepressants and i was talking to psychologists.

they don't have any regular therapy here where like you have on the street where you see a shrink once a week or something like that. you can put requests in to see a psychologist. but the main thing that has delivered me from this type of thinking, this mentality, this type of evil mentality and the thing that's really helped me with my mental health is my relationship with god. so in prayer, prayer works and it's really worked for me. he's really put a lot of love in my heart. that's what's really helped me out. i don't think like i used to years ago. >> we heard a lot from joshua cooke tonight. it's important to know there isn't one side of this tragedy. we reached out to other members of his family. they did not reply to our request for response. when we come back, we ask mental health experts what they think about this extraordinary case. first, cooke's final warning to anyone peeling the urge to commit a crime like this. why he believes psychological help can make all the

difference. >> it's not just about you. it's about others around you and people that love you. i just got to tell you that you got to get help. you got to get help. you really need to see a psychologist. there's no shame in that. you really should get psychological help because you probably have some problems like i did. i just want to say give god a chance. just think about what i said. la's known definitely for its traffic, congestion, for it's smog. but there are a lot of people that do ride the bus. and now that the busses are running on natural gas, they don't throw out as much pollution to the earth. so i feel good. i feel like i'm doing my part to help out the environment.

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whenever these incidents happen, there are several things that pop into my mind because i've been there. >> josa cooke on the horrific mass shootings in america. joshua cooke who murdered his parents when he was 19 says he understands what killers like adam lanza are going through, but does he? is there any way to stop another madman before it's too late? let's bring in my criminal mind experts tonight, james allen fox, professor at northeastern university. sheryl olson and co-founder of center for mental health and media and javier amador, forensic psychologist. welcome to you all.

javier, let me start with you. what was your reaction to this interview? very unusual to hear a young shooter like this very much of the demographic that we have seen with so many mass shootings recently, being so apparently candid. what did you make of it? >> i thought he was extremely candid with you. i think he took responsibility for what he did at the same time what really struck me and i have seen this in other cases involving people with serious mental illness and it appears he has schizophrenia from previous diagnoses, he's sort of cobbling together the story this many years later. the prosecution theory that this was rage and anger, the defense theory this was mental illness and yet, when you asked him what were you thinking that night, he really didn't have an answer for you. he really didn't understand. i think that was a function of a broken brain. >> sheryl olson, it's an extraordinary thing to do, isn't it, to kill both your parents. what did you think of his justification or his excuse, if you like, he had been driven to this by watching "the matrix" repeatedly, listening to the song "bodies" by the group

drowning pool and so on. are these just convenient excuses or is there real science to back up the fact that these can be a link to what these shooters do? >> the first thing you have to keep in mind is the number of people who play violent video games or watch movies like "the matr matrix" and we don't see a lot of them killing anybody, let alone killing both their parents. i did research when i was at harvard medical school focused on children 14, 15, 16 years old and i found of the boys i studied, about two-thirds of them, and almost about a third of the girls as well were playing at least one mature rated violent video game like "grand theft auto" on a regular basis. >> james fox, joshua cooke said that eric harris and dylan klebold were kind of heroic figures to him. how much of that is a problem with these shootings where unstable young people who perhaps are disenfranchised from society want to make a stir for themselves, get in the headlines, become infamous?

>> well, 99.9% of those who watch the news about columbine or another shooting identify with the pain and suffering of the victims, and pray every day this a columbine will not happen in their school. but a very small fraction admire and identify with the perpetrators. the power, they not only admire the fact they get even with the bullies but they're famous for it. it's very important we distinguish between shedding light on a crime and spotlight on the criminal. i think you also said something very important. someone who is already unstable. a person who is content with their life and perfectly happy is not going to go on a rampage because they see someone else do it or they play a video game. >> javier, my belief has always been for anyone to do a kind of random act of mass shooting or slaughter, they've got to be mentally unstable. normal people who don't have a mental health issue simply don't do that, or am i wrong?

is there just a state of pure evil? you can do it without being mentally unstable? >> i get asked that question on the stand all the time in death penalty questions when i'm testifying for the defense. they ask isn't everybody mentally ill who kills somebody. the answer is technically speaking of course not. there are mentally ill people who don't kill anybody. he was trying to drown out, he tells you in the interview, really, in a very poignant way that he was trying to drown out these murderous, relentless thoughts he was having by listening to that song. >> sheryl olson, in terms of the video games impact, is it possible as i have always believed it must be the case that 99% of all young people that play these games, even if they play them relentlessly, are never going to have a problem, but for say a tiny fraction of people that do, who have a serious mental health issue like schizophrenia, it can exacerbate the kind of violence they're

hearing in their head, that kind of thing, and it can make it worse and perhaps precipitate some kind of outrage. >> when i give advice to parents who are concerned about video games, one of the things i usually point out is first of all how common the use is but also i'll say when i get concerned is the young people who don't have other influences in their lives, who are isolating themselves, maybe dropping things they used to enjoy, and focusing on some solo activity. it could be that they're immersed in violent literature or movies or games, but anything where they're moving away from positive influences and being alone with their own thoughts. i would worry about that. >> i really agree with her. i agree with you. because the critical issue here is this young man was completely isolated. what was he doing with all of his time? >> i think here, the video game playing is a symptom, not a cause. all the factors in his life, the fact that he didn't have success in school, didn't have success in relationships with girls, didn't have a lot of friends, that basically drove him toward loneliness and immersing himself

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>> if i had an assault weapon, things would have been much worse. >> ten years after he murdered his parents with a shot gun, he's a changed man. he's not the same person who killed his parents. the shoot iing mental health in may and forensic psychologist. javier, let's start with you. what do you think of the gun aspect of this? >> i believe him. and, look, some things are just obvious. if he had had an assault weapon, it likely would have gone further. that that seems likely. but the best predictor of future behavior is past behavior. this is a guy who was not violent. he was violent for how many minutes in his entire life? so in terms of predicting is he a changed man or not? i don't think that's the real question. the question is is his illness controlled. is he being treated in prison?

>> let me bring in james fox here. what's fascinating about these recent shooters is that these are young men as i said earlier, disenfranchised by society who flip and commit these out rages. he's another one, joshua cook, that falls into that category. do you believe that they can just grow out of this? even if they have a condition like schizophrenia? >> well, to some extent, we do know that people who are at the violent peak, late adolescence, early adulthood. many of them do grow out of it. let me challenge this idea that cook would have done much more had he had an assault weapon. he killed his parents and then he called 9-1-1. it didn't matter what weapon he had. he wasn't going anywhere afterwards. whether he had an assault weapon or a shotgun, he did what he did. >> see, that's an interesting point, isn't it?

he could just be saying that because i have a position on assault weapons. he might be trying to ingratiate himself in someway in my head to make me more sympathetic towards him. >> i'm sure he's trying to make sense of this and maybe, in some ways, say it could have been worse. maybe i'm not as evil a person as i thought i was. one thing he said about video games is the idea of using games to get your anger out. it seems like he wasn't entirely blaming media but also talking about how he tried to work with them, use the songs and so on. in the research that i did, i had boys say it a lot. i use video games to predict my problems, get my anger out. i had a bad day at school and the teacher yelled at me and so i went home and put in grand theft auto, got a tank, ran over everybody and then i felt calmer and better. i think to a certain point, self medicating might be healthy. but there's always a problem of making it worse. and that may have been the case

with this young man! if violent people are drawn to violent entertainment, it doesn make them violent. it's just that's what they enjoy. it shouldn't surprise us that most mass shooters have interest in violent entertainment. >> just a one-word answer. do you believe him? >> yes. i do. >> james fox? >> about some things yeah, some things no. >> charles? >> i think as he said it the way he sees it. >> yeah, i think that's pr prob the right answer. thank you very much indeed. it's a fascinating insighted into the mind of somebody who killed his parents. there it is. joshua cook himself told me he thinks it's going to make a difference in cases like his. perhaps he can save lives. thank you all very much, indeed. we'll be right back. (girl) what does that say? (guy) dive shop. (girl) diving lessons. (guy) we should totally do that. (girl ) yeah, right.

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>> why do i do what i do? it's the right thing to do as an american. and it's the right thing to do as a soldier. >> i'm susan hendrix with breaking news out of santa monica california. six people now dead after a shooting rampage that ended at santa monica college at the campus library with the gunman shot dead by police. it all began at a burning home where at least two people died. between those two scenes, a carjacking, several more shootings. utter mayhem. >> attempted to evade the officers by running on to the college campus. as he ran on to the campus, additional shots were exchanged. no officers were injured at that time. the suspect headed toward the library. shot at women on the campus just before entering the library. accosted a