LANTANA, Fla. (CBS12) – A third suspect in the killing of a teen during a fight in Lake Worth more than two years has been convicted of manslaughter. Palm Beach County court records show Benjamin Coreas pleaded guilty to manslaughter with a firearm charge as well as one for being a delinquent in possession of a firearm. He originally faced a second-degree murder allegation, but prosecutors reduced the charge prior to the plea hearing.