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
Put your sniper behind bars
Jack takes an official position in the Sheriff's Department
Make Kevin Penkin a great cop with 1000 professionalism points
Jack wins the competition with Carter
Complete five tactical missions without killing anyone
Send an innocent person to prison
Get rid of a wounded cop with the help of Dr. Kanayan
Jack obediently buys Fry's protection
Jack figures out why he's here
Jack fits in with the guys