The 27-year-old man who shot and killed four people at a Midtown office building on Monday carried a note in his pocket, police sources told ABC News.

Investigators are combing through evidence in the wake of New York City’s deadliest mass shooting since 2000, trying to figure out more about the gunman who unleashed an assault-style rifle in Midtown,

Rep. Nicole Malliotakis spoke with Fox News Digital after the deadly shooting that left multiple people including a police officer dead.

Bayliss NEW YORK (Reuters) -Blackstone employees struggled on Tuesday to come to terms with the death of Wesley LePatner, one of the investment firm's senior executives who was gunned down late on Monday as she was leaving her Midtown Manhattan office.

The mayor of New York says Shane Devon Tamura may have been targeting the headquarters of the NFL when he opened fire at a skyscraper in midtown Manhattan. A three page suicide note found in Tamura’s wallet and reviewed by NBC News contains several references to the degenerative brain disease CTE,

NEW YORK CITY - A gunman charged into a prominent Midtown Manhattan skyscraper during rush hour and fatally shot at least four people, including a New York city police officer, before killing himself, authorities said July 28.

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