He had reported her missing and then admitted he had strangled her, charges say.
Jeanine Greyblood's remains were found Sunday.
People don't need to have symptoms or insurance to get tested for free.
The money was allegedly stolen over a four-year period.
The accident happened just before 6 p.m. Sunday.
Terry Brisk's wife released a video appealing for information.
Owners are hoping surveillance footage will lead to a tip.
He was driving the vehicle that crashed, police say.
Terry Brisk was killed with his own rifle on his parents' property.
The accident happened about two miles north of Little Falls.
Residents had been told to stay inside and lock their doors.