On May 10, Maine Drug Enforcement agents and officers with MDEA, the Rockland and Thomaston police departments, Knox Sheriff's Office and State Police served a search warrant at the home of Stephen and Katheen Darney, on Old County Road in Thomaston.
Police were acting on a months-long investigation into Stephen Darney, 42, selling large amounts of heroin in the area.
During the search agents seized about 280 bags of heroin, hypodermic needles, scales, packaging material, two hand guns and a shotgun.
Police said the heroin has a street value of about $6,200 and drug agents said he had purchased the heroin in southern New England.
Darney was arrested and charged with trafficking heroin and Possession of a firearm by a prohibited person. He is a convicted felon from a 1997 Assault with a deadly weapon conviction on a police officer in Massachusetts.
He was taken to the Knox County Jail and is being held on $2,500 cash bail. He will be in court this afternoon in Knox County. Kathleen Darney was summoned for possession of heroin.