Easy to clean up a bloody nose, which is likely what the SFD did while Zimmerman sat in the back of a squad car when receiving treatment. Furthermore, the hair on the back of his head is going to hide any lacerations he may have sustained.
I don't think it proves or disproves anything.
Last edited by casino is no lie; 03-29-2012 at 10:00 AM.
Reason: Minor errors in wording.