The violent deaths, including of a Border Patrol agent in Vermont, a landlord in California, and a couple in Pennsylvania, ...

In the Bay Area, a place teeming with brainy computer scientists, an intellectual movement called “the rationalists” debates ...

The group, which espouses rationalist philosophy, are connected to at least 6 homicides in the U.S., potentially including ...

Jack "Ziz" Lasota, 34, who lived in Berkeley for a time, was arrested Sunday along with Michelle Zajko, 33, and Daniel Blank, ...

Jack Lasota, 34, who allegedly leads a group of a few dozen followers known as Zizians, was arrested on Sunday alongside ...

The FBI is investigating a string of killings across the nation possibly linked to a group that one expert says has hallmarks ...

Among those most bewildered and frightened by a coast-to-coast convulsion of violence linked to a cultlike group of hardcore vegans and well-educated computer savants are the parents of young people ...

The Zizians have been tied to the killing of U.S. Border Patrol Agent David Maland near the Canadian border in January.

Jack “Ziz” LaSota, the alleged leader of the Zizian "murder cult" and two others, 26-year-old Daniel Blank and 32-year-old ...

A criminologist explains how vulnerable individuals are drawn to online cults, emphasizing the role of social media.

Here's a look at the timeline of events in a series of killings that culminated in a Jan. 20 highways shootout that killed a ...