and he s left that at the scene and then, of course, the gun, a glock 9 millimeter semiautomatic pistol, we re told, again, likely to have latent fingerprints, latent prints likely on the magazine, even i ve seen criminals who are very careful wearing gloves when they handle a gun but they forgot to do that when they load the magazine, so there s prints, could even be latent dna on that and the gas canisters reportedly left at the scene. rich with detail. he s going to be in the system and there will be a much. the city, the authorities should be coming out saying we need your help, people of new york. this person will have talked about hurting people probably for months, maybe weeks, maybe
jon miller said exactly that. we don t know who the guy is. we don t know what his motive was, and we re just not going to rule anything out right now. reporter: sure. ron allen, you re here just down the street from where i am in brooklyn. part of what investigators have been doing is trying to gather all the video they can, surveillance video, and talk to the witnesses. they couldn t find a single witness that gave them reliable information about how where that person went, whether they fled on foot up the stairs or whether they fled in the subway tunnels. in your conversations with people in and around the scene, what have they been telling you? reporter: well, yeah, no one knows exactly where they went. there was a chaotic scene, there was smoke, people staggering off the train wounded. so it s perfectly understandable why they may not have a person
individual like that as so many hours have already passed in a city like new york? well, i can tell you that cameras and surveillance have certainly changed law enforcement over the last number of years, but i would take you back there was a time when those cameras didn t exist, too, and there are tried and true methods that investigators are deploying as we speak. speaking to people firsthand, witnesses, whether they heard something or hopefully saw something. and piecing together painstakingly information and tips that are coming through, not as many people have been speaking about the forensic angle to this but any solid case will be made with the forensics that are recovered on the scene. crime scene units processing any items left on that subway car or maybe dropped leaving the scene. hopefully dna, fingerprints, facial recognition, all technologies that have been