these years. how could individuals do something to another human being like they've done to me? >> you're an innocent man? >> yes, sir, i am. >> of course everybody in prison is innocent, right? >> if you look at the whole entire case, the dna, none of it points to me. >> on that point, withere is little dispute, of course, but how did chris tapp get here? it's a familiar story to many families, the sweet little boy shown in all these pictures of a typical childhood, carefully kept by his mom vera, started smoking marijuana at 13, then at 16 turned to meth. chris dropped out of high school, got and stayed high every minute he could, he says, hanging out down by the river in do idaho falls with all those kids his mother warned him about. and that he says is how his name came up after the murder of angie dodge, when police were scouring the city for suspects