28 year old Danbury resident Jason Zaruma was arrested Friday in connection with an armed robbery n Waterbury. Police also arrested 34 year old Cong Tran of Bristol and 26 year old Angel Taber of Waterbury. Authorities say Taber was armed with a .22-caliber handgun, and cocaine and heroin were seized. All three face charges of conspiracy to commit first-degree robbery and possession of controlled substances, with Taber facing additional firearm and burglary-related charges.