An 18-year-old man died Friday night near Vail after the sport utility vehicle he was riding in crashed and rolled over, authorities said.
Armando Daniel Hernandez was riding with a 41-year-old woman ,identified as Joan Elaine Laidlaw, and a 16-year-old boy when the SUV ran a stop sign and crashed near East Old Spanish Trail and South Pistol Hill Road, said Deputy Tom Peine, a Pima County Sheriff's Department spokesman.
The vehicle hit a dirt berm and rolled on its side.
Hernandez was pronounced dead at the scene.
Paramedics took Laidlaw and the boy to a local hospital for minor injuries.
Laidlaw was arrested and booked into Pima County jail after she was released from the hospital.
She is facing charges of manslaughter and aggravated assault.
Laidlaw tested positive for marijuana and other drugs.
Sheriff's deputies found illegal drugs and paraphernalia in the SUV after the crash.
Deputies are still investigating.