René Ashton

The team leads a class of college students through the nearly 20-year chase for a serial killer.

Ray waits to see if Belikov will be released from prison; Ray encounters former clients at a benefit; Teresa battles postpartum depression; Mickey tries to convince the DA that he was behind the Minnassian massacre.

Kara goes toe-to-toe with Astra (recurring guest star LAURA BENANTI) when her aunt challenges Kara's beliefs about her mother. Also, Cat is threatened with being removed as the CEO of CatCo after a hacker exposes her private and damaging emails.

The team partners with the State Department after the murder of an arms dealer is connected to a series of crimes seemingly executed by someone with elite special forces training; Callen visits ATF Agent Anna Kolcheck in prison.

The cyber team investigates when a killer hacks into a popular online game and tricks people into delivering illegal weapons.

Addison and Sam stage a coup to bring the practice out of bankruptcy; Violet and Cooper's friendship is on the brink of extinction; a married couple fights for an unethical fertility treatment.