五洲震荡，洪水滔滔

飘泊

On March 12, 2012, Police Chief Lee turned the investigation over to the State Attorney's office for review.[121] Lee said there was not enough evidence to arrest Zimmerman. "In this case Mr. Zimmerman has made the statement of self-defense," Lee said. "Until we can establish probable cause to dispute that, we don't have the grounds to arrest him." In response to criticisms of the investigation, Lee responded that "We are taking a beating over this" and defended the investigation.[122] "This is all very unsettling. I'm sure if George Zimmerman had the opportunity to relive Sunday, February 26, he'd probably do things differently. I'm sure Trayvon would, too."[71]

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On March 13, 2012, Chris Serino sent a capias request to the state's attorney recommending charges of negligent manslaughter against Zimmerman, though Serino maintains he did not believe they had the evidence to support those charges and that manslaughter was only included in the capias in order for the prosecutor's office to continue with their own investigation.[123][124][125][126] The capias states, "the encounter between George Zimmerman and Trayvon Martin was ultimately avoidable by Zimmerman, if Zimmerman had remained in his vehicle and waited the arrival of law enforcement or conversely if he had identified himself to Martin as a concerned citizen and initiated dialog in an effort to dispel each party's concern". "There is no indication that Trayvon Martin was involved in any criminal activity at the time of the encounter."[127] The State Attorney's office initially determined there was insufficient evidence to charge Zimmerman and did not file charges based on the capias request.[126][128][129]

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On March 16, Serino told the Orlando Sentinel that his investigation had turned up no reliable evidence that cast doubt on Zimmerman's account, that he had acted in self-defense. "The best evidence we have is the testimony of George Zimmerman, and he says the decedent was the primary aggressor in the whole event, everything I have is adding up to what he says."[130]

飘泊

所以警方认为Z是正当防卫，没逮捕Z。

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Further investigation

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On March 20, 2012, State attorney Norm Wolfinger announced that a Seminole County grand jury would be convened on April 10 to investigate the death of Martin.[131][132][133] However, after State Attorney Angela Corey was assigned to the case by Florida Governor Rick Scott on March 22, she decided that her office would decide whether to press charges. "I always lean towards moving forward without needing the grand jury in a case like this, I foresee us being able to make a decision, and move on it on our own."[134]

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Governor Scott asked the Florida Department of Law Enforcement (FDLE) to investigate the shooting[135][136] and Florida Attorney General Pam Bondi confirmed that the FDLE was involved and stated "no stone will be left unturned in this investigation."[132]

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On March 20, 2012, the Justice Department announced that it was opening investigations into the incident.[137] The FBI opened a parallel investigation into whether Martin's civil rights were violated, interviewed witnesses, and looked into Zimmerman's background.[138]

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On July 12, interviews conducted by the FBI were publicly released. The Sanford Police Department's lead investigator, Chris Serino, told FBI agents that he believed Zimmerman's actions were not based on Martin's race, but instead on Martin's attire, the circumstances of the encounter, and previous burglaries in the neighborhood. Zimmerman's neighbors and co-workers were interviewed as well. Neighbors who knew Zimmerman had nothing derogatory to say about him and his co-workers were complimentary of him.[139]

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因为M父母开始说Z枪杀M因为M是黑人，所以这事情就上升到种族歧视的高度。但警方说不是种族歧视。M有偷盗前科。同是Z的邻居同事都说他好。