LONG ISLAND (1010 WINS) -- The Rev. Al Sharpton led a rally on Long Island Saturday to protest the conviction of a black man in the fatal shooting of a white teenager, saying the prosecution of the case was unjust. The civil rights activist was joined by John White, who was found guilty of manslaughter last month but is free on bail pending sentencing. The teenager, Daniel Cicciaro Jr., had shown up at White's home on Aug. 9, 2006, with a group of angry friends. White has said he was trying to protect his home and family when he grabbed a gun and went to face the teens outside the house in predominantly white Miller Place. The conflict began with a bogus MySpace posting claiming White's 19-year-old son, Aaron, wanted to **** a female friend of one of the white teens. After Aaron White was asked to leave a party because of the online hoax, Cicciaro and his friends exchanged racially loaded threats with him via cell phone. They continued to trade epithets and profanities after the white teens arrived at the Whites' home shortly after 11 p.m. John White claimed the gun fired accidentally when Cicciaro lunged for it, killing the 17-year-old. Prosecutors argued that White was rash to confront the teens, rather than locking the door and calling police. The teens, who were unarmed, were not prosecuted. On Saturday, several hundred people gathered outside the courthouse where the case was tried. Sharpton has described Cicciaro and his friends as a ``mob'' that had threatened White. White faces a potential prison term of five to 15 years. He has said he will appeal.