What we know about Tamura’s life, how he got the assault rifle that he used to kill an NYPD officer and three others, and the ...

The gunman who shot and killed four people at a midtown Manhattan building Monday before killing himself bought the murder ...

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

A lone gunman opened fire at a Manhattan office tower that houses the NFL and Blackstone, killing four people.

New York City investigators believe a co-worker of the Las Vegas man who killed four, including a police officer, provided a ...

The attorney for the man who sold what would become the deadly weapon in a mass shooting in New York City earlier this week ...

New York City homicide detectives sought clues on Tuesday to what led a Las Vegas man to drive cross-country, storm into a ...

NYC gunman Shane Tamura is seen on video talking about his high school football career in California after a game in ...

The gunman, who said in a note he believed he had CTE, targeted skyscraper that houses the NFL's headquarters.

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

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

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