A cursory review of Zimmerman’s 911 calls since 2004 indicates he reported many more white/hispanic male subjects to the police, than black.
Might be relevant to his state of mind.
It might be but I tend to believe the number of recent burglaries in his neighborhood probably had the most effect on his state of mind. He was looking out for his other neighbors by keeping an eye on Trayvon until the cops could show up. Unfortunately Trayvon decided to come back after running away from Mr. Zimmerman and attacked him. If that had not happened Trayvon would have never been shot.