Trayvon Martin's parents seize on video of shooter

Florida teenager Trayvon Martin was shot and killed by George Zimmerman who told police he was acting in self-defense.

March 29, 2012 12:35:07 PM PDT
Trayvon Martin's family has seized on a police video of neighborhood watch volunteer George Zimmerman, saying it does not show the injuries Zimmerman claims he suffered before fatally shooting the unarmed black teenager.