Mauricio Garcia's activity on Russian social media site reveals fascination with white supremacy and massacres; gunman researched Dallas-area outlet mall before killing 8 there

Officials say probe is in its early stages, but Mauricio Garcia appears to have expressed interest in white supremacist ideology

In latest mass shooting in the country, attacker also injures 7, of whom 3 are in critical condition; hundreds of shoppers flee in panic; local employee: 'People are freaking out'

Shooter opens fire in drive-by attack near town close to Belgrade; police search for 21-year-old suspect

Four wounded; police search for gunman, who opened fire into park crowd days after bank shooting that killed five

Meta removes video of attack perpetrated by 25-year-old Connor Sturgeon, who was also killed; mayor condemns 'evil act of targeted violence'

3 children, 3 adults die as suspect Audrey Hale opens fire in The Covenant School; transgender shooter killed by police, leaves manifesto indicating multiple attacks planned

Study finds main threat in near future to likely be white supremacist shooters; all extremist killings identified in 2022 carried out by people with ties to far-right ideologies

Some wounded have life-threatening injuries, police say, as hundreds of officers hunt for shooter and students take shelter

Police believe suspect Chunli Zhao, 67, worked at farm where he opened fire, but have yet to find a motive for attack; 39 people have died in US mass killings since start of year