Recover one Intel Item.

Complete all cases on the Traffic desk.

At Ray's Cafe, find the bloodstained knife on your first sweep of the crime scene.

Use evidence to prove a lie as an LAPD Detective or Investigator.

Find and inspect a clue as an LAPD Detective or Investigator.

Complete all cases on the Patrol desk.

Defeat 75 enemies in a row without dying

Throw back a grenade and defeat two enemies at once

Defeat ten enemies with grenades by aiming while hanging

Defeat 30 enemies in a row with your side arm

Defeat 20 enemies by shooting from the hip (without aiming with L1/R1)

Defeat 50 enemies with stealth attacks

Stand on the crocodile in the Secret Library