But it's more than that. If it's illegal to spy, that means you can't disseminate the fruits of that spying far and wide. You need to resort to parallel constru

But it's more than that. If it's illegal to spy, that means you can't disseminate the fruits of that spying far and wide. You need to resort to parallel construction and carefully safeguarding your sources. This allows a massive expansion in the scope of capture and use of that information to more agencies in a "legitimate" manner. At least when it was illegal they had to contain the "conspiracy" lest it get out.