The gunman who killed three Michigan State University students and critically wounded five others last month in a mass shooting wrote in a note found in his pocket that he was "tired of being rejected and was hurt, police said on March 10.
Mandatory Credit:	Nick King/Lansing State Journal/USA Today/FILE

The gunman who killed three Michigan State University students and critically wounded five others last month in a mass shooting wrote in a note found in his pocket that he was "tired of being rejected and was hurt, police said on March 10.
Mandatory Credit: Nick King/Lansing State Journal/USA Today/FILE

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Police release Michigan State shooting timeline and a troubling note found in the gunman's pocket

The gunman who killed three Michigan State University students and critically wounded five others last month in a mass shooting wrote in a note found in his pocket that he was "tired of being rejected" and was hurt, police said Friday.