The frantic mom of mass shooter Shane Tamura had repeatedly called 911 on her mentally ill son in the years before he shot up ...

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 ...

Shane Tamura, the Park Ave. gunman who killed an NYPD officer and three others before taking his own life, left behind a ...

In a video message, Tisch said Tamura left a suicide note and claimed to be suffering from chronic traumatic encephalopathy ...

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

The crazed gunman who killed four people in Monday’s Manhattan massacre thanked a documentary on CTE brain injuries and ...

New York’s medical examiner’s office said it will examine the shooter’s brain for CTE. Results may not be public for months.

What to know about NYC gunman's football connection, which he mentioned in a note left behind after a deadly shooting where ...

Shane Tamura, 27, killed an NYPD officer and three other people on Monday evening when he stormed the Midtown skyscraper that ...

Investigators found the note in the wallet of 27-year-old shooter Shane Tamura who police said opened fire inside of 345 Park ...

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

Wearing body armor and wielding an assault-style rifle, the alleged gunman burst into a Midtown Manhattan office building ...