Mom vs. mom as Martin, Zimmerman mothers differ on 911 call screams

Updated 9:45 PM EDT, Fri July 5, 2013

Story highlights

NEW: A defense lawyer says other evidence, not the 911 call, will determine the case

NEW: A lawyer for Martin's family says he thinks the jury will find Zimmerman guilty

Gladys Zimmerman says she knows the panicked voice is that of her son

Earlier, Trayvon Martin's morther said that it her son's voice on the 911 call

(CNN) —