Not much to that police report in regard to who was the aggressor in the situation. Zimmerman was slightly wounded. Martin was dead. Zimmerman was armed. Martin was unarmed. I don't see anything in the original police report indicating that other witnesses heard ZIMMERMAN calling for help. The first 9 1 1 call came in from Zimmerman at 7:19 pm. Within 13 minutes of that call there was a pursuit, a confrontation, Martin was shot, Martin died, police and paramedics arrived, Martin was assessed, CPR was given (usually goes on for several minutes) & Martin was officially pronounced dead. This shows that if Zimmerman had simply stayed by his truck rather than insisting on moving around trying to find and follow Martin, the police would have been there literally in about five minutes. Martin would be alive today if Zimmerman had followed simple instructions from emergency personnel.
http://cnninsession.files.wordpress.com/2012/03/martinpolicreport.pdf