KALAMAZOO, Mich. – A man on probation was arrested during a drug bust in Kalamazoo Monday. The Kalamazoo Department of Public Safety (KDPS) says its Kalamazoo Valley Enforcement Team (KVET) and Crime Reduction Team (CRT) received word that a 38-year-old man illegally owned a gun and that he was on probation for previous weapon-related violations.