Since the 80s, Personal Computers are, still, one of the main device used by the majority of people, maintaining the status as the most used working and entertainment device. PC potentials are increasing also thanks to technological development.
The affordability and reliability of these devices could, however, grant a sort of protection to crime perpetrators, if they’re skilled enough.
On the other hand, if a compromised device used for illegal action is gathered from a crime scene, a complete acquisition of the latter could easily bring the experts to the case resolution.