Shoplifters of the world..

[dar1437]

https://www.kidspot.com.au/lifestyl...s/news-story/f6dcb12cdc7dfcb34d5db507cccde946

 

[spud1966]

jammer sends out interfering radio signals to scramble the GPS signals and disrupt the functionality. Aluminum foils, plastic containers, metal boxes, and other similar items filled with dense materials can act as GPS jammers.