MILFORD, Maine (WGAN)  A Milford woman has been charged with selling heroin and crack cocaine.

The Maine Drug Enforcement Agency, along with Penobscot County Sheriff’s Deputies and Old Town Police arrested 45-year-old Olivia Dunn Wednesday night at her home on Henderson Lane.

Agents say her arrest followed a three-month investigation into reported criminal activity at her home.

Drug agents say they found heroin and cash believed to be drug proceeds on Dunn, which caused them to apply for a search warrant for her home.

Police say 50 grams of cocaine, 30 grams of heroin, a 9mm pistol and other evidence of drug crimes was seized.

Dunn is charged with two counts of trafficking and two counts of aggravated trafficking.

She was taken to Penobscot County Jail where bail was set at $50,000.

Police say the investigation is ongoing and further arrests are possible.