Theres only one thing you need to do!
Take the bolt out from inbertween the steering rack and comlum will stop the car beening driven or towed away and thay wont have a god dam clue whats wrong. Unlike removing the ecu ect as people who steal these come with spare parts and know the normal things like ecu battery ht leads ect....

First thing i lernt in college was how to steal old fords lol so trust me i know every trick in the book.