Drone crashes down on spectator during Memorial Day parade - Metro - The Boston Globe (http://www.bostonglobe.com/metro/2015/05/26/drone-crashes-down-spectator-during-memorial-day-parade/UFt2MohBZ9ZQZU49EcLsxN/story.html?p1=Article_InThisSection_Bottom)

The "victim" didn't think it was such a big deal.

And a follow up article

Don?t be that guy–learn to fly your drone | BetaBoston (http://www.betaboston.com/news/2015/05/27/dont-be-that-guy-learn-to-fly-your-drone/)

On top of learning how to fly these, operators have to avoid being over crowds of people.

The parade spectator could easily have had a lawyer neighbor and the result might have been a "permanent injury" with a multi-million $$$ settlement.

And one more

Enrique Iglesias injures hand in concert drone mishap - CNN.com (http://www.cnn.com/2015/05/31/entertainment/enrique-iglesias-drone-feat/index.html)

The 'victim' was a cameraman and Red owner; he posted the incident on the Red User forum. He had been approached by a number of lawyers after the incident but declined.