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Zimmerman trial: Friend testifies Zimmerman screamed on 911 call

Name: Zimmerman trial: Friend testifies Zimmerman screamed on 911 call
Uploaded: 2013-07-08T08:41:32-0400
Duration: 1 min 24 s
Description: John Donnelly, a former combat medic in Vietnam, cried in the courtroom Monday as he testified that the screams in the background of a disputed 911 call were those of his friend George Zimmerman.

John Donnelly, a former combat medic in Vietnam, cried in the courtroom Monday as he testified that the screams in the background of a disputed 911 call were those of his friend George Zimmerman.