No-knock warrants the exception for Willmar PD, whose officers typically announce themselves No-knock warrants can be dangerous and Willmar Police Chief Jim Felt explained his department's use of them, which is infrequent. 5:22 am, Dec. 15, 2020 × Officers of the Willmar Police Department applied for and received a no-knock search warrant for a southwest Willmar duplex to investigate the possible kidnapping of a minor last month. The juvenile was safely located and an arrest was later made.Mark Wasson / West Central Tribune WILLMAR — The Willmar Police Department served a no-knock warrant in November at a duplex in the southwest section of the city in an effort to find a minor who had allegedly been held for ransom in one of the building's apartments.