Employees entering their Manhattan office buildings on Tuesday saw more suited staffers in the lobbies and police officers stationed near entrances. The heightened security came one day after a gunman ...

The New York City office building that was the site of a mass shooting Monday had significant security measures in place. There was an off-duty police officer present, along with other security ...

The New York City office building that was the site of a mass shooting Monday had significant security measures in place.There was an off-duty police officer present, along with other security ...

Add Yahoo as a preferred source to see more of our stories on Google. This is the photo shared by law enforcement of the man they believe to be the gunman walking into the building. - Obtained by CNN ...

(CNN) — The New York City office building that was the site of a mass shooting Monday had significant security measures in place. There was an off-duty police officer present, along with other ...