all right, whitish, anyway, all right? white sun, all right? here's our atmosphere down here. the atmosphere, these tuning forks, blue, blue, blue, blue, violet, violet, blue, blue, red, blue, blue, pink, blue, blue, chartreuse, blue, blue, get the idea? what do you think might happen, let's say, i'm gonna ring all these? [makes noise] --what do you guys hear? blue. blue. you all heard blue. that's right. now, there's a little bit of red in there, yeah, a little bit green in it. but mostly what? blue and violet, and you heard blue, yeah? okay, let's try the sunsets. can i have a volunteer? would you stand right here, put your ear right down here, and i'm going to hit these tuning forks. no, right behind, right behind, i want to go out there. i'm gonna hit these tuning forks. this is the sun, 150,000 kilometers away, and the sunlight gonna come down to the atmosphere- [makes noise] and maydell standing on the ground, and here's the sky between her and the sun, yeah? here we go, gang. we do, by experiment, one of the beauties of science is you do by experiment, huh. you don't ju

, received that there, walked outside with his mail, sat on a park bench, opened the letter, that whitish, orangish substance came out. that was monday. washington police arrived, fbi are awaiting final test results. preliminary tests showed that positive. >> was he harmed in any way? >> he was not having symptoms, he is not talking publicly, but his office and mayor's office are confirming he did receive this letter and that he did not suffer any illnesses or ailments as a result. >> what do we know about the content of the letter. was it all about guns? >> we know the letter was mailed on, both letters were mailed may 20th from shreveport, louisiana, and in the letter we don't have direct quotes, but it is explained to us, says no one is going to take our gun rights away. this is including threats against mayor bloomberg. that's the content of this. it does not appear to be linked to previous letters sent to the white house and congress a few weeks back. again, it is concerning that people are sending these types of letters. we have not seen confirmed instances since the anthrax attack

a police report says that letter contained a whitish-orange stance substance. have to kill me and my family before you get my gun, it read, anyone who wants to come to my house will be shot in the face t. right the bear sarms my constitutional god-given right and i will exercise that right till the day i tie. what is in the letter is nothing compared to what i've got planned for you. is the with thele over gun control behind tease threats? >> that's what that seems. it could be somebody on the other side trying to make their point by blaming the people who believe in gun rights. >> reporter: this latest round of threats has many wondering if ricin is becoming the weapon of choice for intimidation. >> rice isn't probably one of the worst ways to try to dill i kill somebody. so i don't see it as a threat in an actual capability to kill but rather to intimidate and attract publicity. >> reporter: now we just got off the phone with an fbi spokesperson, they say there have been no arrests and there are still no suspects labelled officially. so we'll wait and see how

a police report says that letter contained a whitish/orange substance.inous message. "you will have to kill me and my family before you get my guns," it read. "anyone who wants to come to my house will be shot in the face. the right to bear arms is my constitutional god-given right and i will exercise that right 'til the day i die. what's in this letter is nothing compared to what i've got planned for you." >> it could also be somebody on the other side trying to make their point by blaming the people who believe in gun rights. >> this latest round of threats has many wondering if ricin is becoming the weapon of choice for intimidation. >> ricin is the worst ways to try to kill somebody. i don't see it as a real threat as a capability to kill, but rather to intimidate and attract publicity. >> fbi officials have not made any official comment yet as to where this investigation is headed and what exactly they're doing here in this neighborhood. but several neighbors say late yesterday, they saw teams of fbi agents going in and out of this house, and taking

it's not a black or whitish shoe, it's not an old or younger shoe, it's not a rich or poor issue.t crosses all lines. people feel it's okay to eat the stuff like candy because a doctor gave it to them. these irresponsible physicians have legalized it in many people's eyes. >> while some overprescribing doctors might be at the root of tampa's drug problem, once the pills reach the street, people like jessica come into play. >> when you have an addiction, you're going to get it. it doesn't matter if you get it from a drug dealer or a doctor, if they don't get it from me they'll get it from somebody else. >> i know you're happy to see me. >> she's been charged with trafficking vicodin, burglary and dealing in stolen properties. she's pled not guilty and is awaiting trial. and though she's never been convicted for it, she admits to having dealt drugs in the past. >> it's fast money. easy lifestyle to live just because the money comes so fast. it's easy to get. it's easy to learn how to do. >> look what we're eating for lunch. >> sandwiches. >> this is a mess. >> being here has opened

a police report says that that letter contained a whiti whitish/orange substance. the letters contained an ominous message. "you will have to kill me and my family before you get my guns, "it read. "anyone who wants to come to my house will be shot in the face. the right to bear arms is my constitutional, god-given right and i will exercise that right 'til the day i die. what's in this letter is nothing compared to what i've got planned for you." the the battle over gun control really behind these threats? >> well, that's how it seems. now, it could also be somebody on the other side, you know, trying to make their on the by, you know, blaming the people who believe in gun rights. >> reporter: this latest round of threats has many wondering if ricin is becoming the weapon of choice for intimidation. >> ricin is probably one of the worse ways to try to kill somebody. i don't see it as a real threat in the sense of the actual capability to kill, but rather to intimidate and attract publicity. >> reporter: so the investigation remains focused here on this house you se

the report says that letter contained a whitish orange substance on a note with a threatening message. authorities believe all three letters are connected with no return address or senders' name the envelopes were postmarked shreveport, louisiana. investigators say two of the letters to bloomberg and the mayors against illegal guns have initially tested positive for ricin, the potentially deadly poison made from castor beans. a law enforcement official tells cnn the writers in those letters threatened you will have to kill me and my family before you get my guns. anyone wants to come to my house will get shot in the face. the right to bear arms is my constitutional, god given right. i will exercise that right until the day i die. >> my son alex was killed in aurora, colorado. >> reporter: an apparent reference to bloomberg's long running campaign for new restrictions on firearms. >> the letter obviously referred to our antigun efforts but the 12,0 12,000 -- we won't walk away from those efforts. >> reporter: for now investigators don't believe the latest suspicious letter case is conn

police report says the letter had a whitish-orange substance on the note and was opened as glaze walked outside. glaze helped run mayors against illegal guns, an organization that bloomberg supports. they run ads like these across the nation. >> with right come responsibility. that's why i support comprehensive background checks. >> mayor bloomberg said he will carry on the campaign. >> this is a scourge in the country that we have to make sure we get under control and eliminate. >> field tests were positive in both cases. ricin is a poison made from caster beans that could be deadly when ground up and inhaled. investigators tell nbc the ricin letters were hailed from shreveport, louisiana, on may 20th. screeners at the white house and capitol hill have been warned to look out for additional letters. this comes weeks after an arrest was made in a previous ricin mail case where letters were sent to president obama and some members of congress but were stopped in advance at off-site screening facilities. in this case, it's unclear how potent the letters were, although two new york police