Waterloo Police Discover Two Weapons During Search Authorities recovered two weapons while arresting a Waterloo man on an outstanding warrant. Police took 23-year-old Jasmin Grcic into custody on multiple charges Wednesday. According to a press release, officers with Waterloo’s Violent Crime Apprehension Team discovered a shotgun and stolen handgun while executing a search warrant. Officials charged Grcic with the following crimes: Unauthorized possession of an offensive weapon Trafficking stolen weapons Possession of drug paraphernalia Enter your number to get our free mobile app