Television News NBC fires producer responsible for George Zimmerman 911 call 04/07/2012 NBC has fired the Miami-based producer deemed most responsible for editing the 911 call George Zimmerman made the night he killed Trayvon Martin. Read More RELATED NEWS Jimmy Fallon's 'The Tonight Show' dropping to only four nights a weekAshley Tisdale announces birth of her second childSelena Gomez is a billionaire TAGS: