Proving Ground
- Episode aired May 18, 1999
As the Unit slowly gains information to bring about the downfall of a powerful crime family, an unexpected development threatens their progress, and forces Church to remain undercover.As the Unit slowly gains information to bring about the downfall of a powerful crime family, an unexpected development threatens their progress, and forces Church to remain undercover.As the Unit slowly gains information to bring about the downfall of a powerful crime family, an unexpected development threatens their progress, and forces Church to remain undercover.