(ARIZONA REPUBLIC) Federal investigators concluded there was sufficient evidence to bring charges against public officials during their years-long abuse-of-power investigation targeting Maricopa County law-enforcement agencies, according to heavily redacted records obtained by The Arizona Republic.

The records indicate that FBI agents found probable cause to recommend felony counts of obstructing criminal investigations of prosecutions, theft by threats, tampering with witnesses, perjury and theft by extortion.

Ultimately, federal prosecutors in August 2012 closed the three-year FBI criminal investigation and grand-jury probe into Sheriff Joe Arpaio, former County Attorney Andrew Thomas and their top deputies, saying there would be no indictments due to a lack of evidence or an insurmountable burden of proof.

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