bethany marshall, dr. bethany, what's the most disturbing right now is not only the attack on the mother at knifepoint, but his threats to commit suicide, because if he commits suicide, bethany, he's not going alone. >> oh, no. he's going to take the child down with him. and you know, the homicidal and the suicidal instincts lie side by side. the aggression gets turned against the self and against the other. and what is typical in these cases is you have a male that has a disturbed personality disorder, abusive, aggressive. the mother of the child tries to break up with him, tries to put a restraining order, tries to protect the baby. usually, the dad, and in this case it's probably true, has no interest in the child, but goes after the mother, takes the child to get back at the mother, and says to her, if i can't have you, you are not going to have your baby. so he directs all the aggression he has against the wife against the child. >> i'm just thinking, dr. bethany, how helpless my twins were at 18 month

bethany marshall, dr. y, what's the most disturbing right now is not only the attack on the mother at knifepoint, but his threats to commit suicide, because if he commits suicide, bethany, he's not going alone. >> oh, no. he's going to take the child down with him. and you know, the homicidal and the suicidal instincts lie side by side. the aggression gets turned against the self and against the other. and what is typical in these cases is you have a male that has a disturbed personality disorder, abusive, aggressive. the mother of the child tries to break up with him, tries to put a restraining order, tries to protect the baby. usually, the dad, and in this case it's probably true, has no interest in the child, but goes after the mother, takes the child to get back at the mother, and says to her, if i can't have you, you are not going to have your baby. so he directs all the aggression he has against the wife against the child. >> i'm just thinking, dr. bethany, how helpless my twins were at 18 months. i m

bethany marshall, dr. hat's the most disturbing right now is not only the attack on the mother at knifepoint, but his threats to commit suicide, because if he commits suicide, bethany, he's not going alone. >> oh, no. he's going to take the child down with him. and you know, the homicidal and the suicidal instincts lie side by side. the aggression gets turned against the self and against the other. and what is typical in these cases is you have a male that has a disturbed personality disorder, abusive, aggressive. the mother of the child tries to break up with him, tries to put a restraining order, tries to protect the baby. usually, the dad, and in this case it's probably true, has no interest in the child, but goes after the mother, takes the child to get back at the mother, and says to her, if i can't have you, you are not going to have your baby. so he directs all the aggression he has against the wife against the child. >> i'm just thinking, dr. bethany, how helpless my twins were at 18 months. i mean,

bethany marshall, psychoanalyst, author of "deal breakers." what do you think? >> i'm concerned about the escalating pattern of violence, but i'm also concerned that he may have kidnapped her or absconded with her in order to convince her to drop the charges and women, if you are in a domestic or violence abuse situation and you call 911 and the police tell you to press charges, press the charges. do not let your husband or boyfriend convince you otherwise. and if there's a tro, respect the temporary restraining order, because the biggest mistake that women make is they feel guilty. they go back. i'm not suspecting that that's the case in this particular situation. but the husband tries to get them to drop the charges and that's, you know, could be a part of the picture in this -- in this situation. >> with me, dr. marty makary, physician and professor of public health johns hopkins. dr. makary, you know i remember when i first became a felony prosecutor, and we don't deal with simple batteries or simple -- it's got to be bad by the time it gets to felony court.

. >> i want to go to bethany marshall, psychoanalyst and author of "deal breakers." y, we're getting floods of calls and e-mails and an overwhelming question is why? why? you know what i used to ask that in my head since prosecutors don't have to prove motive. i would be sitting in the courtroom looking over at some defendant who committed a crime a child or a murder and i would think, why? why? but then after about five years of beating my head against a cement block, i figured i don't really care why. i don't care why. all i care is that i get the right guy and that he gets justice. but why? you're the shrink. why would somebody want to grab this little girl by the arm? if she's walking home from school at 2:45 p.m. with her friends, drag her into a vacant house or stick her into a car, probably torture her. probably sexually assaulted this little 7-year-old girl and then murder her. why? what drives somebody do that? >> you just put your finger on it, nancy. the number one reason for child abduction is sexual assault. and the research is just -- it's horrifying. th

bethany marshall, psychoanalyst and author of "deal breakers," joining us out of the new york studio. bethany, weigh in. >> nancy, the fact she would in a diary and then possibly told another friend who then told police speaks volumes. and what it tells me is there was a fondness for aggression. whether teens plan to commit violence and they want to do it and they fixate on it, they write about it. we saw this with the columbine killers. we saw this with casey anthony. we see this with school shooters. and usually the mindset of the killer is there is a preoccupation with wreaking vengeance and seeking harm and rendering the victims into a very helpless state. so in this case it's violence for the sake of violence. it's not to cover up another crime like child molestation. it's not to kill a child because they took your possession like a pair of sneakers or something like that. it's usually correlated with parental aggression, parental brutality, and then carrying that out on a helpless victim. >> and this is what else i can deduce. i don't know this yet. but we know that the child wa

bethany marshall, psychoanalyst, author of "deal breakers." what do you think?> i'm concerned about the escalating pattern of violence, but i'm also concerned that he may have kidnapped her or absconded with her in order to convince her to drop the charges and women, if you are in a domestic or violence abuse situation and you call 911 and the police tell you to press charges, press the charges. do not let your husband or boyfriend convince you otherwise. and if there's a tro, respect the temporary restraining order, because the biggest mistake that women make is they feel guilty. they go back. i'm not suspecting that that's the case in this particular situation. but the husband tries to get them to drop the charges and that's, you know, could be a part of the picture in this -- in this situation. >> with me, dr. marty makary, physician and professor of public health johns hopkins. dr. makary, you know i remember when i first became a felony prosecutor, and we don't deal with simple batteries or simple -- it's got to be bad by the time it gets to felony court. i

. >> i want to go to bethany marshal. psychoanalyst and author of "deal breakers." getting floods of calls and e-mails and an overwhelming question is why? why? you know what i used to ask that in my head since prosecutors don't have to prove motive. i would be sitting in the courtroom looking over at some defendant who committed a crime a child or a murder and i would think, why? why? but then after about five years of beating my head against a cement block, i figured i don't really care why. i don't care why. all i care is that i get the right guy and that he gets justice. but why? you're the shrink. why would somebody want to grab this little girl by the arm? if she's walking home from school at 2:45 p.m. with her friends, drag her into a vacant house or stick her into a car, probably torture her. probably sexually assaulted this little 7-year-old girl and then murder her. why? what drives somebody do that? >> you just put your finger on it, nancy. the number one reason for child abduction is sexual assault. and the research is just -- it's horrifying. the resear

bethany marshall, psychoanalyst and author of "deal breakers," joining us out of the new york studio. in. >> nancy, the fact she would in a diary and then possibly told another friend who then told police speaks volumes. and what it tells me is there was a fondness for aggression. whether teens plan to commit violence and they want to do it and they fixate on it, they write about it. we saw this with the columbine killers. we saw this with casey anthony. we see this with school shooters. and usually the mindset of the killer is there is a preoccupation with wreaking vengeance and seeking harm and rendering the victims into a very helpless state. so in this case it's violence for the sake of violence. it's not to cover up another crime like child molestation. it's not to kill a child because they took your possession like a pair of sneakers or something like that. it's usually correlated with parental aggression, parental brutality, and then carrying that out on a helpless victim. >> and this is what else i can deduce. i don't know this yet, but we know that the child was last seen ali