Felix Winter 'idolised' the killers behind the 1999 Columbine High School shooting, which saw 12 students and a teacher gunned down.

The alleged gunman at a shooting rampage in a midtown Manhattan office building was identified as 27-year-old Shane Tamura, of Nevada.

Shane Tamura, who shot and killed four people at an office tower in Manhattan, left a ‘suicide note’ claiming the National Football League (NFL) was responsible for chronic traumatic encephalopathy ...