This article examines school shootings committed by men at least 25 years old: Marc Lépine, Kimveer Gill, Steven Kazmierczak, and Jiverly Wong.

This case was brought by the estate of one of Jiverly Wong’s victims against a firearms dealer. It recounts the process involved in legally purchasing firearms and Wong’s history of purchases, as well as descriptions of encounters with Wong.

This document makes the case against Gander Mountain, a firearms dealer who provided Jiverly Wong with a gun.

These documents include a timeline of Wong’s life and details regarding Wong’s possessions that were found after the attack.

This is a collection of documents apparently gathered by police after Wong’s attack. They include employment related forms, work history, involvement with the American Civic Association, a resume, and other materials.

This paperwork does not contain much information, but includes Wong’s date of birth, his statement that he never served in the military, and a few other facts. He completed it using his original name of Linh Phat Voong.

This document includes law enforcement interviews with people who knew Wong. It also notes the dates of his marriage and divorce, as well as someone’s report that Wong said he had a child.