Print A driver killed in a suspected DUI crash on Wednesday in Escondido has been identified as 23-year-old Kolton Charles Malbrough, the Medical Examiner’s Office said. Malbrough, an Escondido resident, was alone in the 1990 Chevrolet Corvette when he crashed into the back of a parked utility truck on Bernardo Heights Parkway near Avenida Venusto about 12:40 a.m., authorities said. He was extricated from the wreckage. He died in the hospital operating room. Police said alcohol and speed were believed to be factors in the crash.