Sinaloa cartel used phone data and surveillance cameras to find FBI informants
A hacker working for the Sinaloa drug cartel was able to obtain an FBI official's phone records and use Mexico City's surveillance cameras to help track and kill the agency's informants in 2018, the U.S. Justice Department said in a report
https://www.aol.com/news/sinaloa-cartel-hacked-phones-surveillance-211818970.html
Original report
https://oig.justice.gov/sites/default/files/reports/25-065_t.pdf
#Surveillance is a very bad idea. No matter if by cameras or #ChatControl . The bad guys will also get access.