Oklahoma City police arrested a 17-year-old on Sept. 10, after his mother found a woman's body in the bed of his pickup truck. The arrest followed what police say was a fatal hit-and-run near Melrose Lane and North Rockwell Avenue.

The crash happened just after 10 p.m Thursday. The teen called his mother at work and told her he thought he had hit a deer, asking her to come look at the damage, police said. When she met him and inspected the truck, she discovered the victim's body and called 911, according to News9.

The victim, a woman riding a scooter, was pronounced dead. Police have not publicly identified her.

Sgt. Dillon Quirk of the Oklahoma City Police Department (OKCPD) said investigators determined the teen had been recording video on his phone while driving near railroad tracks when he hit an object. Police believe the scooter rider was struck from behind.

"I'm not certain why there was that time lapse before dialing 911," Quirk said.

Police were not notified until about two hours after the crash. Officers were first dispatched to a shopping center near Reno Avenue and MacArthur Boulevard, where the teen had stopped to call police. Quirk said the teen was arrested after displaying signs of intoxication. He refused testing at the scene, and officers obtained a warrant to draw his blood.

The teen was booked into the Oklahoma County Juvenile Justice Center on complaints of driving under the influence and leaving the scene of an injury crash, according to News9. His name has not been released. The Oklahoma County District Attorney's Office will determine formal charges.

Second fatal scooter crash the same night

The Melrose Lane collision was one of two deadly scooter crashes in Oklahoma City on Sept. 11. Just before 9:20 p.m., a car struck a scooter rider near South Walker Avenue and Southwest 69th Street, KOCO reported. The driver stayed at the scene while emergency workers attempted life-saving measures, but the rider died.

Police have not identified the victim in that crash either.

The OKCPD said in a news release, as reported by KOCO, that both crashes occurred in areas that do not typically see high levels of pedestrian or scooter activity. The department noted that electric scooters are becoming increasingly common on Oklahoma City streets.

The investigation into both crashes is ongoing. No formal charges had been filed as of Sept. 12.