In a deeply disturbing attack that has intensified fears over online radicalization and hate-driven violence, two teenagers opened fire at a mosque complex...

Cain Clark, 17, and Caleb Velasquez, 18, identified as gunmen in San Diego mosque shooting that killed three. | World News

One of their mothers called police two hours earlier...

A shooting at a San Diego mosque left three men dead, with suspects Cain Clark and Caleb Velasquez taking their own lives afterward.

San Diego mosque shooter Cain Clark, 17, left a hate-filled suicide note before he stole his mother's weapons and opened fire alongside Caleb Vazquez, 18, at the Islamic center on…

The teenage suspects, who left writings hostile toward other races and religions, killed themselves after fatally shooting three at the Islamic Center.

The teenage suspects, who left writings hostile toward other races and religions, killed themselves after fatally shooting three at the Islamic Center.

SAN DIEGO — Two teenage attackers fatally shot three men at a mosque in San Diego, California, in a suspected hate crime, before taking their own lives,...

Three people died in a San Diego mosque shooting classified as a hate crime. The 17-year-old and 18-year-old suspects were also found dead in a car.

Three people were killed by teenage gunmen at the Islamic Center of San Diego, California, on Monday

Mark Remily of the FBI said during a news conference that authorities have uncovered writings by the suspects. Authorities declined to specify what ideologies or views were…

Two teenagers behind the killing of three people in an attack at a mosque in San Diego met online and bonded over a 'broad hatred' of different religions...

Authorities have revealed the teenagers who killed three people at a San Diego mosque met online and shared a "broad hatred" toward different religions and races.

Authorities say the two teenagers who opened fire on the Islamic Center of San Diego, killing three, became radicalized online.

Law enforcement officials say the suspects in the attack that killed three people were radicalized online.

Investigators are looking deeper into the motives of two teen gunmen who opened fire at an Islamic center in San Diego. Police say more than 30 guns were found at their homes, as…

"These subjects did not discriminate in who they hated," said Mark Remily, special agent in charge of the FBI's San Diego Field Office.

Horror details contained in a “manifesto” left behind by the suspects of a deadly shooting outside a US mosque have been revealed by the FBI, who say the two teenage gunman appear…

Investigators say Cain Clark, 17, and Caleb Vazquez, 18, met online before discovering they both lived in the San Diego area

Two teenagers radicalized online shot and killed three men at a San Diego mosque. Their writings reveal hatred towards various communities

Investigators say the teens met online, left racist texts and livestreamed the attack; guard Amin Abdullah died stopping them from reaching 140 students inside the Islamic center