The man who opened fire at a Midtown Manhattan office building last month, killing four people and injuring another before ...

Shane Tamura speculated in a suicide note that he was suffering from CTE, a degenerative brain disease associated with sports ...

A trove of new documents and 911 calls give insight into Shane Tamura's mental health before he shot and killed four people in a Manhattan skyscraper.

The NYC office shooting gunman still maintained an active concealed-carry permit in Nevada​, despite altercations with police ...