Canadian officials have arrested and charged two teenage girls with second-degree murder after they beat a fellow student to death and posted a video of the attack on Facebook Live. 19-year-old Serena McKay was found dead on April 23

Although there is no known motive for the attack, Claude Guimond — Principal of Sagkeeng Anicinab High — believes drugs may have played a role.
"After seeing what I saw on the video, you know what? There's nobody in their right mind [who] would do something like that, unless they were extremely high on whatever and just totally, like, out of it," Guimond told CBC News.
During the gruesome attack, McKay reportedly cried out to the 16 and 17-year-old suspects
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