CONCORD -- One of two brothers implicated in a Lawrence, Mass., drug ring has pleaded guilty to drug distribution and money laundering charges, federal prosecutors announced.

Raulin Martinez, 27, of Lawrence, and his brother, Sergio, ran the drug ring from 2015 to April 2018, according to a statement issued by U.S. Attorney Scott Murray.

Martinez pleaded guilty to a charge of conspiracy to distribute more than 400 grams of fentanyl and conspiracy to launder money.

He will forfeit $81,000 and pay another $165,500.

He is scheduled to appear in U.S. District Court on March 20, where he faces a minimum sentence of 10 years and a maximum fine of $10 million.