apperson told a 911 dispatcher tuesday morning that he was driving his honda accord on lake mary boulevard , made a u - turn and headed west - bound when a honda ridgeline left .
relatives of martin accused zimmerman , who identifies a driver called lake mary police earlier this week , accusing former neighborhood watch volunteer george zimmerman of threatening to shoot him during a road - rage incident .
the man called police spokeswoman said .
apperson said he did not see any weapons in zimmerman 's truck , but police discovered that apperson was carrying a gun .
zimmerman was acquitted last year of second - degree murder for fatally shooting 17 - year - old trayvon martin .
orlando , fla. ( ap ) — a driver says george zimmerman .
zimmerman " said he was going to shoot me dead , " apperson told the dispatcher .
zimmerman , who was a neighborhood watch volunteer , said he shot the unarmed , black teenager in self - defense during a confrontation in february 2012 inside a gated community in sanford , just outside orlando .
apperson said he pulled into a circle k to find a phone so he could call for help when the ridgeline made a maneuver to block him and " almost hit my car . "