During evening rush hour in New York City on Monday, a man calmly walked into a Park Avenue office building lobby and killed ...

Gunman Shane Tamura had a ‘documented mental health history’ and ‘sprayed’ the Manhattan office building lobby with a ...

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

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

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 ...

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

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

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

A gunman who killed four people at a Manhattan office building bought the rifle from his supervisor at a Las Vegas casino, ...

Also killed in the massacre were Blackstone executive Wesley LePatner, security guard Aland Etienne and 36-year-old NYPD ...

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

Five people, including a New York City police officer, died in a shooting in Manhattan. Suspected gunman Shane Devon Tamura ...