Mark D. Henning, a 48-year-old male, died on December 17, 2015, in a violent confrontation inside the Dearborn Heights Justice Center in Michigan. On that Thursday morning, at approximately 8:45 a.m., Henning entered the building which houses both the 20th District Courthouse and the police department. He attempted to bypass the security checkpoint and charged towards a security guard while brandishing a large kitchen knife.
Witnesses reported that Henning pulled the knife from his back p
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