jamelske, it turns out, owned a '75. detective who'd been skeptical of jennifer's story before was desperate to talk to her about the dungeon she described. >> he said, what did it say on the wall? i said it said wall of thugs. he says, we got him. we got him, jen. >> three words, "wall of thugs"? >> yeah. >> words you never forgot. >> never forgot, ever. >> and when the detective asked jennifer to pick her captor from a photo lineup -- >> i didn't even look at the other guys. i seen him automatically, seen him right off the bat and pointed right to his picture. that's him. >>> coming up, uncovering a secret stash of evidence all captured on tape. >> peace out. >> peace out. >> how many years had this been going on, and how many victims were there? >> you had no idea what was going on inside that house? >> nobody had any idea what was going on, including the neighbors that lived across the street. >> when "msnbc reports" continues. ♪ lord, you got no reason ♪ you got no right ♪ ♪ i find myself at the wrong place ♪ [ male