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

The man who shot four people dead with an assault-style rifle inside a Midtown Manhattan skyscraper was carrying a "suicide ...

The sons of the NYPD officer killed in the Park Avenue mass shooting idolized their dad, showing him off to classmates and ...

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 ...