UPDATE: Jeep driver died of self-inflicted gunshot at time of Sunday's fatal accident
SEDONA - An autopsy by the Coconino County Medical Examiner's office has revealed that Cottonwood resident Ross "Scott" Willoughby died of a self-inflicted gunshot at the time he crashed his white 1996 Jeep Cherokee into a gray 2015 Toyota Prius, killing the driver and a passenger.
The accident, which occurred Sunday, June 7, in Sedona on Highway 89A between Brewer Road and Rolling Hills, required closure of the highway's westbound lanes for four hours and the road's eastbound lanes to be partly closed.
The Prius was driven by 33-year-old Moorthy Somashundaram of Phoenix. His wife, 29-year-old Swapna Ponnambalam was in the front passenger seat and his mother-in-law, 66-year-old Bhuvaneswari Ponnanbalam of India was in the backseat of the vehicle, officials said.
Somashundaram and his mother-in-law were pronounced dead on the scene. Swapna Ponnambalam was air-lifted to Flagstaff Medical Center where she is in critical condition.
While investigating the collision, Sedona PD received information from Yavapai County Sheriff's Office of a suicidal subject and were attempting to locate him and his vehicle - a white Jeep Cherokee, police said.
The driver and vehicle were confirmed to be the same subject and vehicle involved in this collision.
The Sedona Police Department is continuing the investigation of this fatal accident.