Lead Interrogator Achievement
Won the COOP interrogation in VORON Station
You will obtain this at the very end of Briggs's third COOP mission, Voron Station. When you get to the bottom floor of the security building, Sam and Briggs will breach a room and each interrogate a terrorist. Follow the on-screen prompts and move the thumbsticks around to scan the enemy's face until the SMI facial recognition bar on the left side of the screen reaches 100 percent.
Whoever finishes their scan first will unlock the achievement. Reload the checkpoint immediately after the achievement unlocks so that the second player can obtain this too.