reginald potts is under arrest for the murder of nailah franklin. detectives are certain they have their man. but mr. potts -- >> i deny i was ever there, period. >> reginald potts appears to be insulted they even asked. >> i can tell you, you're wrong. >> nailah, he was nowhere near her, he said, the day she vanished. >> i was not in her apartment on the 18th, period, or building. >> of course, they told him they had evidence. >> someone saw your distinctive bentley in her parking garage or building. >> i can tell you that's a lie. >> a police frame-up, to which the detectives said -- >> do you understand? >> including nailah's apartment building. and there is reginald, plain as day, with nailah, arriving and leaving with her. on that very day she disappeared. >> so you know he was there. >> yes. >> but reginald doubled down on his denial. >> i am certain that i am nowhere near, inside of nailah franklin's apartment building. >> accused the police of fabricating evidence. >> you can be very creative with photoshop. i guarantee you cannot bring me ge