Sorry if this has been posted before- I did a search but couldn't see anything
http://www.theguardian.com/world/2016/may/27/gang-rape-brazil-twitter-shock
http://www.theguardian.com/world/2016/may/27/gang-rape-brazil-twitter-shock
Police in Brazil are attempting to identify 30 men who allegedly participated in the gang rape of a 16-year-old girl, which was filmed on a cellphone and then distributed on Twitter.