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Re:(L)Awful Interception by bbarnett on Tuesday September 14, 2021 @06:14AM (#28522544)
It also can be used once shortlists are determined.

EG, we suspect person 1. Now, do a deep search on 1, find associates, do deep search one those.

Re:(L)Awful Interception by colejohnson66 on Tuesday September 14, 2021 @08:38AM (#28523816)
And it gets even “better”: the “association” goes three levels deep. Basically, your friends’ friends’ friends. So if Alice knows Bob, Bob also knows Charlie, and Charlie also knows Dave, the mere suspicion against Alice is enough to sweep Dave into the dragnet.

https://www.theguardian.com/world/interactive/2013/oct/28/ns...