A 19-year-old motorcyclist killed in a collision on Interstate 215 in Menifee was traveling 100 mph when he slammed into the rear of a sports car, authorities said Monday.
Gabriel Ruiz Valles of San Diego was fatally injured at 8:35 p.m. Saturday on southbound I-215, roughly three-quarters of a mile north of Scott Road, according to the California Highway Patrol.
Officer Mike Lassig said that Valles was riding his 2021 Aprilia RS 660 in the fast lane when he approached a 2017 Chevrolet Camero just ahead of him…