Hypothermia death on Montana reservation investigated

HAVRE, Mont. – Authorities are investigating the death of a man on Montana’s Fort Belknap Indian Reservation.

The Havre Daily News reported 48-year-old Antonio Castillo Jr. was found dead of hypothermia on Dec. 29.

FBI supervisory agent Travis Burrows said the agency is investigating the case in coordination with the Fort Belknap Police Department and the Blaine County coroner.

Blaine County Undersheriff Frank Billmayer said in an email that Castillo died in an aged camper trailer with insufficient heat for the sub-zero air temperatures present at the time of his death.

Billmayer said there’s no indication of any cause of death other than hypothermia and exposure.