So why do they teach law enforcement agencies to lie about where information comes from? i.e.: Parallel construction: https://en.wikipedia.org/wiki/Parallel_co

So why do they teach law enforcement agencies to lie about where information comes from? i.e.: Parallel construction: https://en.wikipedia.org/wiki/Parallel_construction https://en.wikipedia.org/wiki/Parallel_construction Because they get the information using illegal methods... that's why.