“... they all show up to riot over a thug with a gun”
They being fellow thugs ...
You’ve nailed it. From this article:
Milwaukee police officer takes brick to the head during violent protests after police shooting of armed man
http://www.nydailynews.com/news/crime/milwaukee-police-protesters-clash-fatal-shooting-article-1.2750208
We have this excerpt:
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Police described the gunman as a Milwaukee man with a lengthy arrest record. Yet Nefataria Gordon told the Sentinel she was close with the man who died Saturday afternoon.
“He was a nice person,” Gordon said. “He was really respected. That’s why everyone came out. They’re angry.”
The man’s gun came from a burglary in nearby Waukesha, according to investigators. The victim said 500 rounds of ammunition were also taken during the March robbery, police said.
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So serial bad guy with a stolen gun ran from the police in a traffic stop, wouldn’t drop his stolen gun and gets dead for his efforts, and the locals riot and defend him.
There is a crisis of basic morality going on here in this community, forget the individual perp that set all this off.