Courtney Parks, 26, was shot and killed outside the Plaza Hills East Apartment Complex near 129th East Avenue and 15th Street.
12/29/2014 Related Story: Tulsa Police: One Dead After East Tulsa Shooting
Bethany told detectives he was at his mother's apartment at the time of the shooting, but his mother contradicted that.
Police said Bethany sent Parks a text to lure him to the complex and rob him. Detectives recovered an orange sweatshirt a witness told police Bethany was wearing at the scene of the shooting.
Police said five bullets were recovered from the victim's body.
Demario Bethany is being held in the Tulsa County jail without bond.