GROUT is an mnemonic device used to describe suspects in a way that cops will understand. It stands for:
- G - Gender
- R - Race
- O - Over as in Above the Torso
- U - Under as in Below the Torso
- T - Task
RMS is short for Records Management System.
This is a cross over episode with "The Rookie Feds" S01 Ep 10 The Silent Prisoner.