On June 18, 2012, Magnotta was delivered to Canadian authorities in Berlin and flown aboard a Royal Canadian Air Force CC-150 Polaris to Mirabel International Airport, north of Montreal. A military transport was reported by the government to be necessary due to safety concerns with using a commercial flight and potential legal difficulties if the plane was diverted to another country.[65] He was placed into solitary confinement at the Rivière-des-Prairies detention centre.[66]