In 2012, newly single Dave Kroupa moved to Omaha, Nebraska, with the hopes of getting back into the dating game. He’d just come out of a long-term relationship, and he was eager to make new connections. He created an online dating profile and met Liz Golyar, a single mom and animal lover. Soon after he met Golyar, another single mother, Cari Farver, walked into Kroupa’s auto shop to have her car repaired. He felt a connection instantly.

So far, so familiar. However, Kroupa could scarcely have predicted what would unfold from there: a twisted, tragic love triangle that put him and everyone he cared about at risk. His story is the subject of Lover, Stalker, Killer, a new documentary from Curious Films (Running with the Devil: The Wild World of John McAfee), which crafts a shocking tale of harassment, digital deception, and murder.

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