A gunman who killed four people inside a Manhattan office tower blamed his mental health problems on the National Football ...

A gunman who killed four people inside a Manhattan office tower cited the National Football League for his mental health problems and intended to target the league's headquarters upstairs but took the ...

A gunman who killed four people inside a Manhattan office tower blamed his mental health problems on the National Football ...

Police say a gunman who killed four people in a Manhattan skyscraper before taking his own life claimed to have a brain ...

A gunman who killed four people at a Manhattan office building before killing himself claimed in a note to have a brain ...

Mass shooting at NFL HQ in NYC leaves 5 dead including the shooter Shane Tamura who took his life before he could be arrested ...

Four people were killed, including an NYPD officer, and a fifth person was injured in a mass shooting at a Manhattan office building on Monday. Police say the suspect had a history of mental illness.

A rambling note found on his body suggested he had a grievance against the NFL over an unsubstantiated claim that he suffered from chronic traumatic encephalopathy.