( NewsNation) — Police are questioning an associate who helped a gunman obtain rifle parts used in a shooting Monday in New ...

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

A gunman from Las Vegas shot five people, killing four, including an off-duty New York City police officer, inside a Manhattan skyscraper, before fatally shooting himself, officials confirmed ...

The gunman accused of killing four people in New York City suspected he had chronic traumatic encephalopathy, or CTE — a ...

The gunman in the deadly shooting at a New York City office tower had a background in casino surveillance and once held a ...

The City Medical Examiner determined a cause and manner of death for the gunman who killed four people inside a midtown Manhattan office tower before turning the gun on himself. Shane Tamura died by ...

Law enforcement investigated a second property in Las Vegas likely associated with the gunman who killed four people including a New York Police Department offi ...

The gunman, accused of killing 4 people in a Manhattan high-rise Monday, the deadliest shooting in New York City in 25 years, ...

A gathering of some 150 mourners — including faith leaders, officials and city residents — attended the vigil for NYPD ...

Police have identified the man who entered a Midtown Manhattan office building wearing body armor and opened fire killing ...

The gunman, identified as Shane Tamura of Las Vegas, left a note that suggested he had a grievance against the league over an ...

NFL commissioner Roger Goodell said in a memo to league employees Tuesday night the New York office will remain closed ...