BANGOR — Federal prosecutors say two Bangor residents have pleaded guilty to selling the synthetic drug known as bath salts.

Authorities say 36-year-old Adam Hathorn and 32-year-old Tina Keaton pleaded guilty to the drug-related charges on Wednesday in U.S. District Court in Bangor.

Prosecutors say the pair illegally distributed the drug in Penobscot County and elsewhere between April 2011 and December 2011.

They face up to 20 years in prison and a $1 million fine at sentencing, which has not been scheduled.

Hathorn and Keaton are two of 14 people charged as part of the conspiracy.

Bath salts are a synthetic hallucinogenic that can make users delusional and violent.

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