(CNN) — Newly released police reports and body camera footage are shedding light on the troubled path that led a shooter on a ...

Shane Devon Tamura, who shot five people in NYC before taking his own life, had multiple run-ins with Las Vegas police, ...

Shane Devon Tamura, who shot five people in NYC before taking his own life, had multiple run-ins with Las Vegas police, ...

The Las Vegas police released documents and records describing the mental health breakdowns that the man who killed four ...

The 27-year-old Nevada man left a note at the scene voicing anger that his mental illness may be linked to his having played ...

During evening rush hour in New York City on Monday, a man calmly walked into a Park Avenue office building lobby and killed a police officer, then opened fire on other innocent strangers. Within a ...

New York City’s deadliest shooting in 25 years – in a state with some of the toughest gun laws in the nation – is raising ...

“CTE is linked to repetitive brain trauma and has a distinct pathology that can only be diagnosed at autopsy,” says Dr. Ross ...

Fifty-nine years ago today, mass murder in the form of a rampage shooting on a school campus blasted its way into the American consciousness – never ...

Shane Devon Tamura, 27, identified by the NYPD as the Midtown Manhattan office building shooter. Obtained by ABC News(NEW YORK) -- The Midtown Manhattan office shooter fired 47 rounds from his ...

A former high school football player who opened fire in a Manhattan building Monday — killing four people before fatally ...