you've got signs of a cover-up? >> yeah, it's looking more and more like this is actually true, all this information that we're receiving. >> reporter: did you find blood-like splotches on the wall? >> we found indications that there would be blood on the wall. >> reporter: they swabbed those areas and then went looking for daniel. they found him at an apartment complex, arrested him, and brought him in. >> do you want to talk to us without counsel? >> yeah, whatever. but what's it about? >> let me ask you that. what do you think? >> i got no clue. >> reporter: it was, the detectives thought, the typical bad-guy response. they were sure daniel knew something. they asked him about l.j. >> who the hell's l.j.? >> that's what i'm asking you. >> dude, i don't know no l.j. >> reporter: and then about annie. >> tell me about annie. tell me about annie. >> annie who? >> annie. >> who the [ bleep ] is annie? >> annie is a girl that was at your house for a party last weekend. >> dude, i have no idea who annie is. >> we've already talked to a lot of other people that all verify she was there, danny.