Complete all cases on the Arson desk.
Find and inspect 95% of all clues.
Complete 'Nicholson Electroplating'.
Drive 40 different vehicles.
Find and inspect all clues inside Okamoto's ransacked apartment.
Find and inspect the prop spinner at the Nicholson blast site.
Drive more than 194.7 miles.
At Elysian Fields, outwit Leland Monroe when discussing his developments or advertising campaign.
Complete all cases on the Vice desk.
Achieve maximum rank.
Complete 'The Naked City'.
Shoot every letter down from the tower at the Broadway Hotel.
Escort Heather Swanson to Arnett's apartment without damaging your vehicle.
Find and inspect all of the narcotics in Julia Randall's apartment.
Complete a brawl without losing your hat as an LAPD Detective or Investigator.
Complete 'Reefer Madness'.
Correctly branch every question in every interview in a single story case.
Complete the puzzle of the US Morgan silver dollars at Parnell's Soup.
Open both soup cans in Juan Garcia Cruz's stash room.
Shoot and kill a total of 100 bad guys.
Bring down a total of 30 bad guys with head shots.
Complete all cases on the Homicide desk.
Keep the needle above 80mph for more than ten seconds while driving.
Respond to 20 street crime cases.
Chase down and tackle a fleeing suspect on foot as an LAPD Detective.
Disable a suspect vehicle with help from your partner.
Complete all cases on the Traffic desk.
Tail a suspect without being spotted, in a single case.
Complete 'A Slip of the Tongue'.
Find and inspect all of the Marquee-printed pink slips.
Correctly branch every question in the interview with Jean Archer.
Catch and arrest Cliff Harrison before he is stopped by uniformed backup.
Complete a story case with a five star rating.
Stop a fleeing suspect with a warning shot as an LAPD Detective.
At Ray's Cafe, find the bloodstained knife on your first sweep of the crime scene.
Drive 5 different vehicles.
Clear a case finding every clue as an LAPD Detective or Investigator.
Use evidence to prove a lie as an LAPD Detective or Investigator.
Find and solve an inspection puzzle.
Find and inspect a clue as an LAPD Detective or Investigator.
Complete a single street crime case.
Complete all cases on the Patrol desk.
Collect all other trophies to unlock.
Complete all story cases with a five star rating.
At the Bamba Club, get Dick McColl to give up the license plate of Celine Henry's male companion.
At the Bus Shooting, talk Felix Alvarro into giving up the Marines involved in the Coolridge heist.
Kill at least one bad guy with every gun.
Use four intuition points in a single interview session, correctly branching each question.
Discover all landmark locations around the city.
Rack up $47,000 in penalties during a single story case.
Follow Candy Edwards without using cover or incognito, except when starting or picking up the tail.
Drive every vehicle in the city.
Find and inspect all gold film reels.
During the Industrial Street raid, kill a goon by shooting the hanging engine block.
Tail Henry Arnett from Hollywood Station to the pawnbroker and travel agent without being spotted.
Kill the drivers of both MP vehicles in the gun battle at Hughes Aircraft, before they pull up.
Pursue Vernon Mapes from the burning house to Hughes Aircraft on your first attempt.
Find the flyer at Juan Garcia Cruz's house and proceed straight to the 20th Century Market.
Enter the Las Palmas stash house via the back door and kill Juan Garcia Cruz.
Complete all street crime cases.
Reach 100% Game Complete.
