UPDATE 4 p.m.
The Ada County Coroner confirmed late Wednesday that 62-year-old Frederick Rains likely died of hypothermia New Year's Day.
Rains' body was discovered early Tuesday morning near the entrance to Riley's Trailer Park in the 4200 block of West State Street.
Rains had no fixed address.
ORIGINAL POST: 9 a.m.
A brutal blast of frigid air that ushered in the New Year is suspected of killing a man, found early Tuesday morning outside a Boise mobile home on the 4200 block of West State Street.
The Ada County coroner is investigating the death of the man, who was found New Year's morning outside a fifth-wheel trailer at the Riley Trailer Park.
Boise Police said they're also investigating a report of an altercation at the scene.
Boise registered some of its coldest New Year temperatures in history this year.