Cari Farver did not disappear off the face of the Earth. She was murdered in cold blood, and her killer went on to impersonate her online, for over three years. The suspect hid their tracks with VPNs, proxies, and anonymizing apps. This talk will go behind the scenes of Netflix's "Lover, Stalker, Killer" to detail the open source software and bespoke methods used to prove a no-body homicide case based almost entirely on digital evidence.