Police investigate sudden death of former U.S. swimming champ Jamie Cail in Virgin Islands

Investigators in the U.S. Virgin Islands have launched a criminal probe into the unexplained death of a retired American athlete, authorities confirmed. 

Jamie Cail, 42, was pronounced dead on arrival by medical workers at a hospital on St. John last week, the U.S. Virgin Islands Police Department said in a news release. Cail, a former competitive swimmer who participated in several major races and took home a handful of titles in the late 1990s and early 2000s, lived and worked at a local coffee shop on St. John, her family said, according to WMUR. She was originally from, Claremont, New Hampshire, the station reported.

Cail's boyfriend, whose name has not been shared publicly, found her unresponsive on the floor of their shared residence just after 12 a.m. on Tuesday, Feb. 21, according to U.S. Virgin Islands police. The boyfriend had "left a local bar to check on his girlfriend" at home, the police department wrote its news release.