The gunman, Robert Poulin, an 18-year-old St. Pius student, opened fire on his classmates with a shotgun, killing a 17-year-old classmate named Mark Hough and wounding five others before killing himself with a shotgun blast to the head.

[1][2][3] Earlier that day, Poulin lured a 17-year-old Sri Lankan female neighbor named Kim Rabot to his family's home before raping her and stabbing her to death.

[4] That afternoon, he had traveled to the St. Pius X High School to embark upon his shooting spree.

These were largely thwarted by his physical condition and psychological immaturity, resulting in his being rejected from the officer training program.

His physical problems included poor eyesight and a chest deformity.