Europeans might once have viewed massacres at educational institutions as a uniquely American scourge, but they no longer have that luxury: Friday found Germany still mourning the 16 victims of Wednesday’s carnage in Winnenden, while Scotland marked the 13th anniversary of Europe’s first mass school shooting, the bloodbath at Dunblane in which 16 grade-school students and their teacher were mowed down by a lone gunman. Clearly, Europe has a problem to which there’s no simple solution. “When you compare us to countries with enormous gun ownership like the U.S., it’s obvious we’re less vulnerable to gun violence,” says Christophe Soullez, chief of France’s National Observatory on Delinquency