The owner-operator of a Hibbing septic services company, the man had a documented history of sleep apnea that resulted in at least six crashes in recent years, reports

But even after he blacked out at the wheel of his tanker in October 2015, crossing the centerline and killing an oncoming motorist, Carpenter disobeyed orders to stay off the road.

“Mr. Carpenter simply is not going to stop driving unless he is locked up,” Lake County prosecutor Lisa Hanson said Monday.