In the ongoing search for fugitive gangster James "Whitey" Bulger, the FBI is now focusing on the possibility that Bulger's female companion may have visited a plastic surgeon in the recent past.

The bureau took out a full-page ad in the April-May edition of Plastic Surgery News, featuring photos of Catherine Greig, who the FBI says underwent numerous plastic surgeries before vanishing with Bulger.

It's the latest chapter in the ongoing hunt for the fugitive. Scroll through this gallery for more.