Former Milwaukee Sheriff David Clarke's run-in with a 25-year-old man who shook his head at him while boarding a flight last year is headed to trial.
Daniel Black sued the sheriff for having deputies detain him and question him at Milwaukee's airport, but Clarke's taunting social media posts remain the focus of the case. Here's a look at history of the case and the legal issues that will play out in federal court. The trial starts Monday.
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THE PLANE CONFRONTATION
Clarke and Black were boarding a flight from Dallas to Milwaukee on Jan. 15, 2017 — the day Clarke's beloved Dallas Cowboys were facing the Green Bay Packers in the playoffs.