Here is the full list of all 12 This Is the Police 2 achievements.
Jack silences Colonel Henderson
Take down all the gangs in Sharpwood
Make Kevin Penkin a great cop with 1000 professionalism points
Put your sniper behind bars
Jack takes an official position in the Sheriff's Department
Get rid of a wounded cop with the help of Dr. Kanayan
Send an innocent person to prison
Jack wins the competition with Carter
Complete five tactical missions without killing anyone
Jack obediently buys Fry's protection
Jack figures out why he's here
Jack fits in with the guys