she mentioned mr. potts. murder suspect, but he wasn't exactly hiding from the police. remember, he had given them a very detailed alibi to check out. >> he was pretty specific on where he's at. >> and as the weeks went by, he seemed quite eager to help. >> he continuously called me on my cell phone. >> really? >> yes. >> called you to tell you what? >> to try to direct the investigation. why haven't we talked to hugh eccles. >> his friends the eccles were with him much of the day, he said. >> they were at a target store shopping. >> and sure enough, mr. eccles confirmed his account. there they are on surveillance cameras at the target store, which would seem to exclude potts as a suspect. if he was shopping, he wasn't kidnapping and killing nailah. but this was curious. for some reason, reginald did not show up on camera. >> so if you were going to commit a crime, do not do it at target because they're going to have everything down to your signing your transaction on the keypad. very clear. >> meaning either