Police believe the murder of a 75-year-old man and his girlfriend on board their houseboat was a robbery gone wrong. Raynaldo Figueroa-Sanabria, from North Carolina, was arrested on suspicion of the death of John Travlos and Germana Morin. whose bodies were found by a massage therapist who regularly comes to the couple's boat. They both had upper body trauma but actual cause of death has not been released. St Petersburg Police stopped Figueroa-Sanabria in a gold Ford Taurus rental car last night. He also had an outstanding warrant for cocaine trafficking. The boat was one of the biggest in the marina. Around 60 feet long, the Relax Inn was moored in a large slip at the Loggerhead Marina. From above you can see a rooftop hot tub with a private deck. SCROLL DOWN FOR VIDEO Victim: John Travlos and Germana Morin's bodies were found by a massage therapist who regularly comes to the couple's boat Luxury: Around 60 feet long, the Relax Inn was moor