Police are investigating a reported active shooter at a Midtown Manhattan high-rise. Here’s what we know about the suspect involved in the incident near Park Avenue.

An active shooter incident occurred in Midtown Manhattan, New York, officials said. Here's what to know about 345 Park Ave.

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,