(CBS DETROIT) — A 75-year-old Detroit man is charged after officials say he threatened to kill a Macomb County judge.

According to the Michigan Department of Attorney General, Marion Williams Richardson is charged with one count of communicating a false threat of terrorism and one count of malicious use of a telecommunications service.

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Officials say Richardson threatened to go to the home of 41-A District Court Judge Douglas Shepherd and kill him. He allegedly made the threat via phone to staff at the court this week.

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The case was referred to the Department of Attorney General because the judge serves in Macomb County.

“I refuse to disregard threats made against elected officials and their families,” said Attorney General Dana Nessel. “Threatening the safety of a member of the bench is inexcusable and I will not hesitate to use the resources of my office to prosecute such crimes.”

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An arraignment is scheduled for Friday.

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