A pair of Whitehall residents who were arrested and accused of selling heroin earlier this year, pleaded guilty to felony drug charges last Friday.

Nickolous J. Callonnec, 29, and Laura L. Mitchell, both of Mountain Street, pleaded guilty to third-degree criminal possession of a controlled substance.

They were arrested in February following a lengthy investigation by the Washington County Sheriff’s office and the Whitehall Police Department. Police found 23 bags of heroin, the equivalent of 20 grams. They also seized cash and a 2003 Mercury Mountaineer during the arrest, which was made in Fort Ann.

Police alleged they had been selling heroin in Whitehall.

Both were charged with additional offences, including criminal tampering with physical evidence, but those charges were dropped.

Callonec faces 3 ½ years in prison and two years on parole, and Mitchell faces three years in prison and one year on parole. They will be sentenced on Aug. 16.

Callonec was scheduled to stand trial earlier this week. Mitchell pleaded guilty in June.