paper trail(redirected from leave a paper trail)
Physical or digital documentation of a person's activities. The con artist wrote fraudulent checks all over the state, leaving a paper trail for police to follow. Frank swore that he wasn't using the company's computer for illegal activities, but the digital paper trail he left proved otherwise.
Fig. a series of records that is possible to examine to find out the sequence of things that happen. (*Typically: have ~; leave ~; make ~.) The legal department requires all these forms so that there is a paper trail of all activity.