The Justice Department has launched an investigation into the death of Trayvon Martin . The African-American teen 's parents said Monday that they believed race was a factor in their son 's death , and the Congressional Black Caucus had called for a federal investigation , saying local police have shown `` blatant disregard for justice . '' A Florida grand jury declined to indict George Zimmerman, who shot and killed 17-year-old unarmed black teen Trayvon Martin. A neighborhood watch captain tells police he shot the teen in self-defense . The 17-year-old was not armed when he was killed last month in Florida .
The Justice Department has launched an investigation into the death of Trayvon Martin . A Florida grand jury declined to indict George Zimmerman, who shot and killed 17-year-old unarmed black teen Trayvon Martin. A neighborhood watch captain tells police he shot the teen in self-defense . The 17-year-old was not armed when he was killed last month in Florida .