>>128045310
Your laptop is riddled with backdoors for situations like this and they just needed to go to GCHQ to get access to it.

The one everyone knows about is where your laptop has 6 months worth of thumbnails saved which means every OP image on a 4chan board catalogue or at least page 1 with a hit every time you visit. This site is a lot tamer now but 20 years ago you would effectively be fucked just for using this site if the feds searched your computer deep enough.