Dark Day In San Francisco: Eight Die In 101 California MassacreJuly 1, 1993 will be a day many San Franciscans will never forget.
Las Vegas Police End Investigation of October Mass ShootingPolice announced they were closing their 10-month investigation without a definitive answer for why Stephen Paddock, a high-stakes gambler, amassed an arsenal of weapons and carried out the deadliest mass shooting in modern U.S. history.
Toronto Police: Gunman Dead After Shooting 14 PeopleA man firing a handgun into restaurants and cafes as he walked along a Toronto street shot 14 people, killing one of them, before dying after an exchange of gunfire with police late Sunday, police said.
Suspect in Maryland Mass Shooting Had Bitter History With NewspaperJarrod W. Ramos, who police say opened fire at a Maryland newspaper office Thursday, killing 5 and injuring 2 others, had a long, acrimonious history with the newspaper.
5 Dead in Shooting at Annapolis Newspaper Building; Suspect ArrestedA man armed with smoke grenades and a shotgun attacked a newspaper in Maryland's capital Thursday, killing four journalists and a staffer before police quickly stormed the building and arrested him.
Mass Shooting Threat At Pleasant Hill School; 13-Year-Old Student ArrestedA 13-year-old student has been arrested for alleged terrorist threats after a social media posting threatening a mass shooting at a Pleasant Hill school.
Police Release Some Body-Camera Videos From Vegas Shooting
Waffle House Gunman Still Being Sought; Residents On AlertPolice are warning residents of a Nashville neighborhood to watch out for a suspect in a Waffle House restaurant shooting that killed four people.
Waffle House Patron Who Broke Up Attack 'Saved Many Lives'A heroic act by a customer saved countless lives at a Nashville-area Waffle House, where a semi-nude gunman killed four people early Sunday morning.
BODY CAM VIDEO: YouTube Shooter Awakened By Police Hours Before Rampage In the early morning hours before she went on a shooting rampage at YouTube headquarters, Nasim Aghdam was awaken by Mountain View police as she slept her car in a Walmart parking lot.
Police Plan Long Investigation Of YouTube Shooter's PastAuthorities on Thursday promised a deeper investigation of the YouTube shooter's past and her anger with the online video website.
Police: YouTube Shooter's Family Didn't Warn Of ViolenceJust hours before she shot and wounded three people at YouTube headquarters, Nasim Aghdam calmly told police who found her sleeping in her car that she was having family problems and had left her home.