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 ...

A journalist who has studied the Zizian movement since a border agent was killed in Vermont in January says little is ...

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

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 ...

Early on, residents on a Chester Heights street suspected the involvement of a cult in the killings of Rita and Richard Zajko ...