Three American tourists mysteriously died recently at the Sandals Resort in the Bahamas earlier this month, and their families are now demanding a second autopsy after a Bahamian pathologist completes the first one. The victims were a married couple, Michael and Robbie Phillips, and Alabama man Vincent Chiarella. Chiarella’s wife, Donnis, is alive but remains unresponsive and was airlifted to a Florida hospital. The police said they complained of feeling ill the night before, and showed no signs of trauma besides evidence of minor convulsions. Current theories that investigators are exploring …