A former Masury man is among seven co-defendants who have been found guilty of conspiracy to distribute more than a half-ton of powder cocaine over a five-year span, U.S. Attorney Mary Beth Buchanan said Friday.

Terrance Tarver, 19, formerly of 7928 Thompson-Sharpsville Road; former New Castle residents Bruce McKnight, 35; Demetrius McKnight, 26, also known as Pumpkin; and Christopher D. Smith, 28; LaShawna L. Smith, formerly of Cleveland; and Jada Taylor, 31, of New Castle, all entered guilty pleas, according to a news release from Ms. Buchanan.