Rudin employee Julia Hyman was killed on the 33rd floor where Tamura shot and killed himself. A person close to Tamura's family says the gunman had for years sought medical help for frequent debilitating headaches. He even received injections in the back of his head.

The Midtown Manhattan office building that was the scene of a deadly shooting reopens Monday, but under very different circumstances.

Live updates and developments about a shooting in New York City's Midtown. Five people, including the gunman and a police officer, are dead.