The murder of Tim McLean (October 3, 1985[1] – July 30, 2008) occurred on the evening of July 30, 2008. McLean, a 22-year-old Canadian man, was stabbed, beheaded and cannibalized while riding a Greyhound Canada bus about 30 km west of Portage la Prairie, Manitoba traveling the Trans Canada Highway. On March 5, 2009, McLean's killer, 40-year-old Vince Weiguang Li (simplified Chinese: 李伟光; traditional Chinese: 李偉光; pinyin: Lǐ Wěiguāng) (born April 30, 1968), was found to be not criminally responsible for the murder and was remanded to a high-security mental health facility where he remains to this day.[2]

[link to en.wikipedia.org]

This was another bizarre occurrence from a guy that was reported as being a nice guy.. Mind control