Justice Traps the Guilty #83 (1948)

# Justice Traps the Guilty #83 Sergeant Conroy pursues a gang of masked criminals who have been committing holdups throughout the city. When a handkerchief left at one crime scene bears a laundry mark, Conroy traces it to a boarding house and discovers that all the laundry from that location shares the same number, suggesting the criminals live there. Through investigation at the police lab and a downtown laundry, Conroy identifies one of the gang members and corners them, ultimately trapping the guilty parties.