Sounds like a USB kill style device. Something you can easily plug in and blow the circuit https://hackerwarehouse.com/product/usb-kill-v4/ https://hackerwareh

Sounds like a USB kill style device. Something you can easily plug in and blow the circuit https://hackerwarehouse.com/product/usb-kill-v4/ https://hackerwarehouse.com/product/usb-kill-v4/ > When plugged in power is taken from the USB power lines, multiplied, and discharged into the data lines, typically disabling an unprotected device.