Wiped Clean
- Episode aired Sep 14, 2018
- TV-MA
- 28m
A former janitor becomes a potential key witness, but Peter and Sam struggle to track him down. Meanwhile, they examine a student trip to Costa Rica.A former janitor becomes a potential key witness, but Peter and Sam struggle to track him down. Meanwhile, they examine a student trip to Costa Rica.A former janitor becomes a potential key witness, but Peter and Sam struggle to track him down. Meanwhile, they examine a student trip to Costa Rica.