paul hargrave manage the store and he was crystal stayed the night before she went missing. >> seem to dinner like any of us would have been a nice restaurant in houston. >> the chambers county chair of. her companion that night, how would you describe? a new boyfriend? >> yes, a new boyfriend. >> and he's a well-known name. >> correct. the jewelry stores been there for 50 plus years. >> she has dinner then goes home to spend the night at his place? >> that is correct. he was getting in the shower and she had gotten dressed and left. >> that makes him the last person known to see her alive. >> it puts him as a person of interest. >> the investigative status was soon upgraded. remember the security camera footage of crystal leaving for work. those videos were recorded at hargrave's home. we know that because he gave us and other news organizations of footage, but the sheriff said hargrave didn't give it to his investigators. didn't even tell them about it, not at first. >> they really some of the video and pictures to the national media before our detectives headed. >> it's being played