SANFORD, Fla. (AP) — Authorities say George Zimmerman threatened a private investigator working for a documentary filmmaker.

Court records show Zimmerman was issued a summons for a May 30 arraignment on a charge of misdemeanor stalking.

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According to a sheriff’s report, the investigator contacted Zimmerman in September on behalf of Michael Gasparro, who is making a documentary on Trayvon Martin. The series is being produced by rapper Jay-Z.

Court records show the private investigator received 55 phone calls, 67 text messages, 36 voicemails and 27 emails from Zimmerman in December.

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The records don’t list an attorney for Zimmerman.

Zimmerman identifies himself as Hispanic. The former neighborhood watch volunteer fatally shot the 17-year-old Martin in 2012 in the central Florida city of Sanford. He was acquitted of all charges. Martin was black.

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