Part 3/12:
One of the key figures in this underground space is Jeffrey Tibbetts, known online as Cassox. By day, he is a registered nurse, but in his garage, he operates as a self-described hacker surgeon, performing body modifications that would be considered highly experimental and unofficial. Jeffrey represents a subset of biohackers called grinders, a community passionate about modifying their bodies—adding computer chips, LEDs, magnets, and Bluetooth devices.