Katherine Renee Turner's first appearance as Special Agent Tiffany Wallace. She is Scola's new partner after the departure of Special Agent Kristen Chazal (Ebonee Noel) from the series.
A "Krinkov" is a short-barrel variant of the Russian AK-74 rifle.
When a suspect has a "13" tattoo Jubal notes "he is either a huge James Harden fan or a member of the Aryan circle." James Harden is #13 for the Brooklyn Nets basketball team as of 2021.