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The gummint isn't required to get warrants for each party to a conversation before tapping phones with a Title 3 tap. All they need is a warrant for the target. If you're unlucky enough to call that person, they can record what you say to him as well.
I obviously didn't communicate well in my previous post but by "third parties", I meant communications providers not extraneous people caught in a wiretap.
from my original post--
The fourth amendment protects both the target and any third party that is searched when pursuing information on the target. The idea that communications providers, from AT&T to the kid running a mail server in their dorm, somehow have less fourth amendment protections, because they provide communications services, is pernicious and ass backwards.--
The third party is communications providers.