(7) Do not use or threaten physical force against a source.
(8) Do not allow a source to continue his life of crime because he is a
(9) Do not condone a source's petty crimes, even if you hope to get
information to eliminate more serious crimes.
b. Historically, a stigma has been attached to sources of information.
Such terms as "informer," informant," stool pigeon," "rat," "fink," judas," or
"squealer" are but a few of the derogatory terms that have been applied to
The presence of this social attitude has often prevented valuable
information from being reported to the police.
In the handling of sources,
always remember that they are human beings. They desire to keep their self-
respect and the respect of others.
These or other expressions tend to strip the source of his self-respect and
times. It does not matter how low or poor a person may seem; there is still
human resentment of derogatory treatment. In dealing with sources the practice
of accepting underworld attitudes and vocabulary toward them is a big mistake.
c. A source should always be handled like a human being. A careless act
or slip of the tongue when referring to him may negate the person as a source.
On the other hand, fair and proper treatment may provide you with a wealth of
information. It may provide such not only today, but in the future as well.
Many sources, once they have given information, will continue to do so long
into the future.
9. Source Development.
Try to develop sources from all walks of life.
alert for a good contact.
Be receptive to all information offered.
develop sources whose geographical locations, occupations, or activities will
afford the desired coverage. For example, a clerk in PX "A" may have the same
general type of information as a clerk in PX "B." "A's" information, however,
pertains to a different area.
Try to develop any available source of
information. The following areas should be thoroughly explored for sources:
a. Transportation employees are usually in a position
unguarded conversation. They can note the movements of people.
taxi and bus drivers, salespeople, hostesses, and stewards.
b. Employees and owners of finance businesses often have information about
persons' monetary gains or losses. Employees/owners may be found in banks and
c. Employees and owners of retail establishments may have information
about the spending and buying habits of patrons. Such establishments might