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 ...

Authorities also found a vehicle with Nevada plates registered to Tamura at the scene, with a rifle case inside, sources said ...

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

The New York City Medical Examiner determined a cause and manner of death for the gunman who killed four people inside a ...

Wearing body armor and wielding an assault-style rifle, the alleged gunman burst into a Midtown Manhattan office building ...

Newly released body camera footage from Las Vegas police shows past encounters with Shane Tamura, the gunman in last month’s ...

Police are retracing Tamura's movements from Nevada to New York after a Midtown Manhattan shooting that left four people dead ...

Police are piecing together why a man drove across the country with an assault rifle and shot five people, including an NYPD ...

New York City police detectives searched a studio apartment in Las Vegas that belonged to the suspected gunman in Monday's ...

The Palmetto State Armory M4 assault rifle used in the shooting that killed an NYPD cop and three civilians is .223-caliber ...

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

The 27-year-old Nevada man opened fire at a New York City office building, killing at least four people and then himself.