for the murder of nailah franklin. the detectives are certain they have their man. but mr. potts? >> i adamantly deny that i was ever there, period. >> reginald potts appears to be insulted they even ask. >> and i can tell you you're lying. >> nailah? he was nowhere near her, he said, the day she vanished. >> i was not in her apartment on the 18th, period. >> or her apartment building? >> or apartment building. >> of course they told him they had evidence. >> distinctive bentley in her [bleep] parking garage or building. >> that's it. >> and i can tell you, that's a lie. >> a police frame-up, to which the detectives said -- >> reginald, do you understand about videotapes? there's cameras. >> yes, including nailah's apartment building. and there is reginald, plain as day, with