SAVANNAH, GA – Two people are facing substantial prison sentences and fines after pleading guilty to federal heroin trafficking charges. Gary Johnson, a/k/a “G,” 44, and Jamison Lanier, a/k/a “Monica Lewinsky,” 36, both of Savannah, have each pled guilty to Conspiracy to Possess with Intent to Distribute and Conspiracy to Distribute Heroin in U.S. District Court, said Bobby L. Christine, U.S. Attorney for the Southern District of Georgia.