i was reading about the humboltfarms bust. if i remember, they had great crumble wax at bangin prices!
this articles says they put a tracker on one of the members car. wow.
https://www.deepdotweb.com/2017/08/21/timeline-feds-bust-massive-alphabay-vendor-humboldtfarms/
I must admit the thread title gave me a giggle, it's almost like you're surprised they exist. This has been a long used tactic by LE. Once they know who you are it doesn't matter how good your OpSec is because they're able to watch your life so closely, every card transaction, every time you leave your house, you won't even see it coming nor notice it.