A passenger of a Texas -based cruise ship has been charged with murdering a woman in their cabin on Sunday on the first day of their voyage.

Crew members aboard the MSC Seascape found the unidentified victim deceased and face down on the cabin floor, with Jason Leon Watford sitting in a corridor outside scrolling through his phone, according to an FBI affidavit that details the alleged crime.

Watford was arrested after the vessel returned to port in Galveston early on Monday, a day after embarking on a planned seven-day cruise around Mexico and the Caribbean.…