&gt;My guess is that the fact this guy ran the operation from his bedroom, and they weren&#x27;t sure whether he would co-operate or not, was the reason they seized the disk rather than just subpoena him. Presumably if it was hotmail or gmail this wouldn&#x27;t have happened.<p>Is this somehow supposed to be acceptable? &quot;We weren&#x27;t sure you would come down to the station and answer some questions, so we arrested you (without charge) and held you for a day.&quot;