Related Clues:
- Worked backwards, in a way
- Sketched, as an outline
- Followed back
- Found the source of, as a phone call
- Tracked down
- Found the source of
- Followed the path of
- Sketched the outline of
- Outlined or tracked back
- Carted about and found
- Discovered by examining pieces of evidence
- Discovered by following pieces of evidence
- Followed or discovered by studying evidence
- Found after a search
- Followed the tracks