Investigator says authorities do n't know who started fight that led to death . Defendant 's father says his son 's face was swollen and had gashes the next day . `` We did not put our entire case on today . '' Comment: ` ` disingenuous '' George Zimmerman tells the teen 's family he is sorry for what happened .
Investigator says authorities do n't know who started fight that led to death . Defendant 's father says his son 's face was swollen and had gashes the next day . Comment: `` disingenuous '' George Zimmerman tells the teen 's family he is sorry for what happened .