
Austrian law enforcement thwarted a terrorist attack at Taylor Swift’s shows in Vienna this week, the latest example of an attempted act of terrorism at a musical performance. The primary alleged perpetrator in this case, a 19-year-old, confessed to law enforcement that he started planning the attack last month and uploaded an oath of allegiance to the leader of the Islamic State group a couple of weeks ago. Franz Ruf, director general for public security at the Austrian Ministry of the Interior, said investigators found chemical substances and technical devices...