What we need to do is charge a more serious criminal charge when people "Post Crimes". First off what kind of degenerate posts an assault?
Put the girl in prison, and she will post nothing on facebook...or endanger he local community either. If she's so far gone that she posts a film of herself assaulting another girl...well then probation will do nothing. Prison would have been more motivational on her and others who do this.
Sentences in crimes often increase when a weapons used, we should do likewise when people post assaults/crimes.
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"I don't care half so much about making money as I do about making my point, and coming out ahead."
"What do I care about law? Ain't I got the power?"
Cornelius Vanderbilt