George Zimmerman, the man who was acquitted of murder in the shooting death of Trayvon Martin, is accused of repeatedly threatening and harassing Dennis Warren between December 16 and December 25 of last year. Warren is a private investigator who was hired by a production company that was working on a documentary about Martin's life. Deputies said Zimmerman called Warren 55 times, left 36 voicemails, texted him 67 times and sent 27 emails over a nine-day span.