Internet history and your ISP's records

Let's say you are Ross pre investigaation,, should you be worried about your internet history? What Im asking is can LE do a broad search to see whom has looked up "how to start an onion based market", or do they have to narrow down to you ,or have your computer to see what you looked up (BONUS QUESTION: How did they narrow it down to Ross??)? Also how long does it take for ISPs' to clear their records//severs of information like search history, I read that google takes 90+/- days to delete it after you delete it.


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[4 Points] None:

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[2 Points] Lucid_Enemy:

Honestly your ISP knows everything about you already.... if you really want to consider wearing a tinfoil hat for the rest of your life read about http://en.m.wikipedia.org/wiki/Room_641A what makes you think that room doesn't exist at your ISP?


[1 Points] None:

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