Victims Identified in fatal plane crash CASTLE ROCK - Denver car dealer Kent Rickenbaugh, his wife, Caroline, and their son Bart were killed Sunday in a plane crash near Centennial Airport. Pilot Dr. Steven Mostow also died. Kent Rickenbaugh, 64, owned two car dealerships in the Denver area. Caroline Rickenbaugh, 62, was known for her involvement in the community. Bart Rickenbaugh, 35, lived in Bozeman, Mont. Mostow, 63, was one of the country's leading infectious disease experts and was associate dean at the University of Colorado Health Sciences Center. Mostow was a crusader for better health, an early advocate for...