Joseph Jackalone News Today

Theyll tell me that they have seen it twice now. and nobody has seen this person that they know of. some people thought he might have had a place to stay in the neighborhood. i will tell you that police were going to businesses asking for videotape from security cameras, and in some cases, viewing security camera video. so there may be some record of him in this neighborhood in the last 24 hours. if that van was rented yesterday in philly, its only about a six-hour drive up here from there. he c...

Jackalone, a former nypd official. hes been with us all morning helping us understand that. were getting accounts from witnesses who say that they heard an explosion, they saw the stampede, they were there when this all happened. but again, i think if theres one glare historic here, its this really could have been so much worse. >> yeah, if you just think of the consequences of what happens when people start to panic. so, there could have been a trampling effect, could have been a lot of differe...

Formulas, if it was a pipe bomb, or how to make a vest, or find simple chemicals you would be able to buy at a home supply store, as opposed to military grade chemical explosives, pten for example, or the fact that this person did not have an ak-47 with him, where he could have inflicted, you know, dozens if not hundreds of casualties. so it does indicate that its probably a pretty amateurish operation. hopefully, only one person then is not connected to a larger group who are attending multiple...

Scene the coming days? >> well, i mean, one of the things that they talk about is that, you know, somebody whos looking very nervous at the moment, you know, looking around. but you know what, if anybodys been a tourist in new york city, they do look nervous when theyre going into subways or trying to figure out where theyve got to go. this is a very unfortunate circumstance that police are going to have to deal with. and theres no way that youre going to be able to pick somebody out of the crow...

Less let them loose. >> and we are learning new details about sweats accomplice richard matt mattand his final hours. it was from here that matt fired several shots, one of which hit a recreational vehicle nearby. those shots would eventually help searchers zero row in on matt. to discuss all of this former nypd detect joseph jackalone. any first question for-- my first question is these shots apparently helded authorities find richard matt. why would he call attention to himself like that? >> i...

Part of a group, that, he is, in fact, acting alone. that this wasnt part of anything bigger. so right now, thats really the priority for the fbi and for the nypd and for the joint terrorism task force. just to make sure that he was acting alone, that he wasnt working with anyone. they have not told us officially that this is terrorism or that this isnt terrorism. but certainly this has the makings of something like that. and i think the key right now is really to make sure that they wasnt actin...