This kind of technology, used by the government without serious restrictions, it's pretty bad and the article describes by itself, situations where it was "not

This kind of technology, used by the government without serious restrictions, it's pretty bad and the article describes by itself, situations where it was "not exactly used" to solve crimes, but for monitoring data traffic of cellphones used by people engaged in protests. However, what scares me the most, is the possibility of such technology falling in the hands of those who are playing dirty 100% of the time, against the society (criminals, mafia, gangs, drug lords, kidnappers, terrorists, etc.).