In order to assist the Capital City Police Official and his supervising staff in co-ordination the preventive and detective work of the District Police and in order to act as clearing house for criminal intelligence for the use of investigating officers in the district and in other districts a Crime Investigation Agency works in the Capital City Lahore. This body is formed from the establishment sanctioned for the district for the prevention and detection of crime. Officers of different ranks selected for service in the C.I.A., in the light of their intelligence efficiency and practical experience of preventive and detective work in a police station. In order to promote co-operation and the inter-change of ideas between the C.I.A. and police station staff officer ordinarily remain up to two years at a time in the C.I.A. No officer is appointed to the C.I.A. who is not well educated and who has not an unblemished reputation for honesty.
Some main functions of the Crime Investigation Agency are:
- The preparation of crime maps relating to offences against property classified under the methods employed by the criminals
- The receipt, consideration and filing according to classification, of information received from investigating offices
- The comparing of the date collected under (a) and (b) and the communication of any deduction therefrom to the investigation offices concerned
- he preparation of a crime index f cases from the materials collected under (a) and (b) classified according to; (1) methods employed by the criminals and (2) various clues provided by the criminals such as nicknames used; special clothing worn; peculiarities of the culprits noticed by witness; special weapons used; special signals used etc. etc
- The provision of information by means of which the Superintendent of Police may be assisted in controlling the crime of his district, forestalling outbreaks of crime and directing preventive operations