Horror on Instagram: "In May 2012, Canadian adult film actor Luka Magnotta lured student Jun Lin to his Montreal apartment, where he killed him in a premeditated attack. Magnotta filmed the crime and uploaded it online, sparking global outrage. He then tried to mislead investigators by posting from Lin’s social media accounts and mailing body parts to political offices and schools. Magnotta fled to Europe but was arrested in Berlin after being recognized in an internet café. In 2014, he was conv