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

More than a decade before he turned a Midtown NYC office building into a killing ground, Shane Tamura stood out as a rising ...

New York City police are headed to Las Vegas to question an associate who sold Midtown Manhattan shooter Shane Tamura gun ...

Exclusive video shows SWAT teams executing a search warrant at the Las Vegas apartment of Shane Tamura, the man behind Monday ...

Park Ave. gunman Shane Tamura bought the assault rifle he used to kill an NYPD cop and three civilians before taking his own life inside a Midtown Manhattan office building from a friend and ...

Investigators say the suspect, armed with an M4-style rifle, may have blamed the league for head trauma he believed caused ...

Shooter kills four in Midtown Manhattan leaves notes about NFL and CTE; authorities confirm targeted attack and call for gun ...

A fifth shooting victim -- an NFL employee, according to Commissioner Roger Goodell -- was injured and taken to the hospital ...

Explore the shocking events surrounding the NYPS case and uncover what pushed Shane Tamura to kill 4 people in Midtown ...

The man who opened fire in a Midtown Manhattan office building, killing four people and wounding a fifth, had a note claiming ...

(NEW YORK) -- The man who opened fire in a Midtown Manhattan office building, killing four people and wounding a fifth, ...