: It is discovered that Schroeder died from exposure to carfentanyl , a powerful synthetic opioid. The investigation reveals Schroeder was actually working as security for an FBI undercover operation and was murdered by drug dealers.
: The episode features the return of the overly confident FBI Agent Zoe Morris , who previously appeared in Season 8. Her unconventional methods provide a lighthearted contrast to the grim central case. Watch Ncis los angeles 921 hdtv-lol-1
: Erin Way as FBI Agent Zoe Morris and Wiley Pickett as FBI Agent Fred Munger : It is discovered that Schroeder died from