Investigator says authorities do n't know who the was that led to death . Sanford , Florida ( CNN ) -- George Zimmerman apologized Friday to the family of Trayvon Martin , the unarmed African-American teen that he shot in a confrontation that riveted a nation and sparked intense discussions about race , racial profiling and gun laws . Defendant 's father says his son 's face was swollen and had gashes the next day . Attorney for Trayvon Martin 's family call apology ` ` disingenuous '' George Zimmerman tells the teen 's family he is sorry for what happened .
Investigator says authorities do n't know who the was that led to death . Defendant 's father says his son 's face was swollen and had gashes the next day . Attorney for Trayvon Martin 's family call apology ` ` disingenuous '' George Zimmerman tells the teen 's family he is sorry for what happened .