Workers returned to 345 Park Ave., on Monday​ under the watchful eyes of NYPD officers and a surplus of security after the ...

A New York City office building where a gunman killed four people then himself has reopened a week after the deadly shootings ...

The 27-year-old Nevada man left a note at the scene voicing anger that his mental illness may be linked to his having played ...

U.S. companies are spending record amounts to keep their executives safe in response to rising threats and the killings of ...

U.S. companies are spending record amounts to keep their executives safe in response to rising threats and the killings of ...

A weekly call turned into a celebration of heroes as staffers comfort each other through lingering trauma.