Owasso detectives are trying to figure out what led to a shooting between family members.
Police said it happened in the Lake Valley neighborhood at about 6:30 Tuesday evening.
Officers are still interviewing witnesses but said it appears the two men started arguing and it escalated from there.
The victim was rushed to the hospital and there's currently no word on his condition.
Police booked 56-year-old John Carter into jail on a complaint of shooting with intent to kill.