Ebony Fay holds up a sign during rally preceding the Million Hoodies March, to protest the initial failure of police to arrest a Florida neighborhood watch volunteer for shooting to death an unarmed black teenager, Trayvon Martin, in Los Angeles, California, March 26, 2012. REUTERS/David McNew

A fired police officer is defending his use of shooting targets in the image of Trayvon Martin. Former Florida police sergeant Ron King was fired last week after he reportedly brought targets resembling the slain teen to a firearms training. After his dismissal, King claimed the targets were intended "to prevent a tragedy from taking place."In a YouTube video posted Saturday, King insisted the targets resembling Martin were "no-shoot" aids intended to help officers practice withholding fire.Here's the full video: