The police are known for having and using a list of abbreviations so officers can quickly communicate with each other, although they will avoid using abbreviations or jargon when dealing directly with the public to ensure people fully understand what they are talking about.
Some of the more common police abbreviations are:
ABA - Acceptable Behaviour Agreement
ABH - Actual Bodily Harm
ACC - Assistant Chief Constable
ACPO - Association of Chief Police Officers
ANPR - Automatic Number Plate Recognition
ARV - Armed Response Vehicle
ASBO - Anti Social Behaviour Order
ASU - Air Support Unit
NBM - Neighbourhood Beat Manager
CBRN - Chemical Biological Radiological & Nuclear
CCTV - Closed Circuit Television
CID - Criminal Investigation Department
CJU - Criminal Justice Unit
CPR - Cardio Pulmonary Resuscitation
CPS - Crown Prosecution Service
CPO - Crime Prevention Officer
PCSO - Police Community Support Officer
D & D - Drunk and Disorderly
DCC - Deputy Chief Constable
DCI - Detective Chief Inspector
DI - Detective Inspector
DVLA - Driver and Vehicle Licencing Agency
FLO - Family Liaison Officer
GBH - Grievous Bodily Harm
HMIC - Her Majesty's Inspectorate of Constabularies
HOLMES - Home Office Large Major Enquiry System
HR - Human Resources
IP - Injured Party or victim
MISPER - Missing Person
NCIS - National Criminal Intelligence Service
PACE - Police And Criminal Evidence Act
PC - Police Constable
PNC - Police National Computer
PSD - Professional Standards Department
RTC - Road Traffic Collision
SB - Special Branch
SC - Special Constable
SGT - Sergeant
SIO - Senior Investigating Officer
TIC - Taken Into Consideration
TWOC - Taking Without Owner's Consent, also TDA or TWLA