India, May 20 -- Authorities investigating the deadly shooting at the Islamic Center of San Diego said that the two teenage suspects, identified as Cain Clark and Caleb Vazquez, allegedly left behind a 75-page manifesto filled with racist, antisemitic and anti-Islam rhetoric, while also referencing mass killers, extremist ideology and even Donald Trump. The attack left three people dead on Monday before the suspects, 17, and 18 years old, died from apparent self-inflicted gunshot wounds after fleeing the scene.

Federal investigators are treating the shooting as a likely hate crime.

The LA Times and other media publications cited enforcement sources familiar with the investigation to report that the document recovered by authorities was ...