People saw something, heard something and they said something. They got involved by calling called 911. They gave information. They all said they heard screaming . One caller actually was able to capture the screaming as he called 911 as you can hear it on the tape. In listening to the blood curdling screams, it is very hard to tell who’s voice it is.
George Zimmerman has a higher pitched voice so it may have been his. There is also a deep guttural primitive sounds of the voice which may sound like someone’s life was as stake. The tones were different. At one point the pitch was high and at the other point it was a raw and guttural voice which was painful to listen to. To read more click link below