seminole county sheriff dennis lemma described the hierarchy of a sophisticated heroin, fentanyl and cocaine operation that was running on the streets of sanford, lake mary,. during the extensive investigation, ccib agents uncovered a sophisticated operation responsible for distributing a range of illicit substances including fentanyl, heroin,. the seminole county sheriff's office is committed to a diverse workforce, is a drug free workplace and is an equal opportunity employer. apr 23, 2024 · during a news conference, lemma discussed the operation, which targeted drug trafficking activities in and near seminole county.
