Here is the full list of all 34 GUARDS! achievements.
Steal a Hammer from a Chieftain
Join an online Patrol
Start a Patrol in the Mega Slums
Subdue the Mega Slums Kingpin
Subdue the Outskirts Kingpin
Subdue the Crypt Kingpin
Place 200 Violation Tickets
'It was Collateral Damage Boss' - Incapacitate 100 Guards
Subdue 10 Kingpins
Arrested 500 Guilty Perps
Killed 500 Guilty Perps
Spent 1000 gold on mission prep.
Spend 2500 gold on mission prep.
Spend 5000 on mission prep.
Experience the Street Drug MIFF for the first time!
Complete 20 Hostage Missions
Complete 20 Evidence Collection Missions
Complete 20 Subdue Missions
He didn't even flinch!
Upgrade to a full set of GUARDS armor!
Complete 100 Patrols
Defeat a criminal whilst under the influence of MIFF
Confiscate 1000 Coin Bags
Win 20 Patrols in the Outskirts District
Win 20 Patrols in the Crypt District
Deliver Pan Justice 50 Times
Win 20 Patrols in the Mega Slums District
Subdue 3 Kingpins in the Mega Slums District
Subdue 3 Kingpins in the Outskirts District
Subdue 3 Kingpins in the Crypts District
Deliver Pan Justice 100 Times
Start a Patrol in the Outskirts
Start a Patrol in the Crypts
Complete all Districts