The Lake County Sheriff's Office is investigating an alleged homicide near Ronan.
Deputies were dispatched to an unresponsive male in a camper around 3:30 p.m. on Saturday on Mud Creek Lane.
The camper was at an RV park between Ronan and Pablo.
Gyme Kelly, 63, from Ronan, was pronounced dead on arrival.
An ensuing investigation determined his death was due to homicide.
Two people have been arrested in connection to the case.
William Lowrey Hesse, 53, has been arrested and charged with deliberate homicide.
A female was also arrested on an outstanding warrant.
The victim's body was taken to the Montana State Crime Lab for autopsy.
The Lake County Sheriff's Office is conducting the investigation.