she mentioned mr. potts. ginald potts was a murder suspect but he was not exactly hiding for the police. remember, he had given them a very detailed alibi to check out. >> he was pretty specific and where he was at. >> he as the weeks went by, he seemed eager to help. >> he continuously called me on my cell phone. >> really? called you to tell you what? >> tried to direct the investigation. >> his friends, the eccles, were with him much of the day, he said. >> they were at a target store shopping. >> 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 was not kidnapping and killing nailah, but this was curious. for some reason, reginald did not show up on camera. >> if you are going to commit a crime, don't do it at target. they're going to have everything down very clear. >> meaning either he managed somehow to avoid every camera in the store and his friend lied for him, so they halt r