(CNN) — 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 opened fire Monday in Midtown, ...

The shooting occurred in the lobby of 345 Park Avenue on East 52nd Street, an office building that records indicate is home to the NFL, Blackstone and KPMG.

NEW YORK (Reuters) -New York City homicide detectives sought clues on Tuesday to what possessed a Las Vegas man to drive ...