The Sikhs Reuters spoke to described experiencing online harassment; surveillance at their homes and places of worship; and doxxing.
Investigators called in the FBI after media organisations received an email the police believe may have been sent by the perpetrators.
Investigators have described Crooks as a loner with no close friends and a social network limited mainly to immediate family members.
Hackers, known as Anadriel or APT45, are stealing classified military secrets for North Korea's nuclear program. The US, Britain, and South Korea warn that these hackers target global defense firms.
Former President Kennedy was assassinated in Dallas, Texas, on November 22, 1963, by Lee Harvey Oswald.
The FBI has taken the lead in an investigation of the shooting at a campaign rally in Pennsylvania that wounded the former president, overshadowing his Nov. 5 election rematch with President Biden.
According to Bloomberg, to identify the kidnappers and create a timeline for the events, some of the survivors traveled from Israel, sharing videos and messages from the massacre with the FBI.
The attack was thwarted in a joint operation between Interpol, the US FBI, the Spanish Civil Guard.
This spike in anti-Jewish hate crimes since October 7 comes on the heels of a year where 63% of religiously motivated hate crimes in the US were fueled by antisemitism, Wray said.
A federal complaint charges Mercurio with attempting to provide material support or resources to a designated foreign terrorist organization.