'Beloved' trucker fatally shot by masked robbers after warning Thortons' clerk, police and employer say

A watchful Thorntons' customer was fatally shot by masked armed robbers moments after warning the clerk when he spotted them outside the station early Tuesday in the Brighton Park neighborhood on the city's Southwest Side. The attack unfolded just before 3 a.m. Tuesday when a white Hyundai with four men inside pulled into the parking lot and circled the station at 3450 S. California Ave., according to a police report obtained by the Chicago Sun-Times. As one of the assailants got out and…