. >> kardian, steve kardian, former police detective, instructor at defend.n they narrow down the list of possible killers? >> nancy, there's a history that exists between the cross and the killer. when they -- if they can identify where that cross came from, it came in his possession. he deposited it at the crime scene, intentionally or otherwise, and the history exists. so if they can connect those two, the killer and the history, they can identify this individual. >> well, i know this too. i'm going to go not only to steve kardian, but to strunsky, schwartzreich and oceans. okay, schwartzreich, this guy, while he obviously is a repeat offender, he's also an amateur, right? because why would you grab a child, a boy, when he's there with a group of other children and try to grab him and pull him across the fence and then when they start screaming and throw a cell phone at you, you run, okay? then he tries to kidnap or assault an adult female, who fights him off. >> nancy, you give a dog a ball, he'll always chase it. there's something very conflicted about t