During evening rush hour in New York City on Monday, a man calmly walked into a Park Avenue office building lobby and killed ...

LAS VEGAS -- The gunman who killed four people before taking his own life in a midtown Manhattan office building that houses the NFL's headquarters had for years sought medical help for frequent, ...

Newly obtained court documents say the man threatened to kill the woman's four children before he shot two of them last Sunday.

In 1977, Shayna Glassman's father lived in apartment 6E at 35 Pine Street in Yonkers, N.Y. His direct upstairs neighbor was a ...