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

A state background check was incomplete when a Las Vegas man bought the rifle he would then use to commit a mass shooting in ...

Police have identified the man who they say entered a Midtown Manhattan office building wearing body armor and opened fire, ...

New York Police Department Commissioner Jessica Tisch detailed the minute-by-minute timeline of Shane Tamura's movements and ...

The gunman in the deadly Midtown Manhattan shooting, Shane Tamura, wrote about the brain disease CTE in a note obtained by ...

Tamura had apparently driven across the country from Nevada before killing four people in a shooting rampage in Manhattan.

New York City police detectives searched a studio apartment in Las Vegas that belonged to the suspected gunman in Monday's ...

A Nevada man recently traveled to New York City, entered a Manhattan building wearing body armor, carrying an M4 rifle, and ...

Four people were killed and one critically injured when a man opened fire inside a Manhattan office building on Monday ...

No ruling has been made yet on whether Tamura was suffering from the disease chronic traumatic encephalopathy (CTE), which he ...

The 27-year-old Nevada man opened fire at a New York City office building, killing at least four people and then himself.

The 27-year-old Nevada man left a note at the scene voicing anger that his mental illness may be linked to his having played ...