There may be a good reason to "investigate" and in some cases that certainly might involve a request to gather some evidence from your house, etc. But you seem

There may be a good reason to "investigate" and in some cases that certainly might involve a request to gather some evidence from your house, etc. But you seem to have lots of faith that the police won't investigate anything else they find and are equating one small and limited search of something to free-reign over looking through someone's entire digital life, which is incredibly intrusive. Just because I may allow or even want a police officer on my property to examine my garage that was broken into, doesn't mean that I want to invite 10 police officers to look through every closet and drawer on my property, and take home all my childhood diaries.