Related Clues:
- Plants or animals using secret passages
- Witnesses to avoid
- Artist with tricky class -- naughty boys?
- Digging pests
- Deceitful folks
- Problematic witnesses
- Short-sighted burrowers
- Plants with covers
- Ones failing polygraphs
- Spinners of 21-Acrosses
- Mischievous or cheeky people
- Moves like a cat burglar
- Gym pair, informally
- Pants-on-fire types
- Underhanded sorts