CALABASAS, Calif. (CNS) -- A Sister of St. Louis was killed and the retired pastor of a Malibu parish was severely injured when a car driven by Douglas Kmiec, U.S. ambassador to Malta, crashed into a drainage ditch in Southern California Aug. 25. Sister Mary Campbell, 74, who was well known at Our Lady of Malibu Parish and taught at the parish school, was dead at the scene, a spokesman for the California Highway Patrol said. Msgr. John Sheridan, 94, pastor emeritus of the parish, underwent emergency surgery at Ronald Reagan UCLA Medical Center in Los Angeles soon after the accident.