CNN sources: Medical report by George Zimmerman's family doctor allegedly shows he suffered a broken nose, two black eyes and two lacerations to the back of his head after he shot & killed Trayvon Martin. What will this mean for his defense? CNN sources: Medical report by George Zimmerman's family doctor allegedly shows he suffered a broken nose, two black eyes and two lacerations to the back of his head after he shot & killed Trayvon Martin. What will this mean for his defense?