4.3.2 Security of Information
In addition to the safety of those involved, security in handling
information is important because of the potential evidentiary value of the
information itself.
Securing Information
To store sensitive or confidential information safely:
• Keep information in a secure place. Separate confidential
information from non-sensitive information.
• Keep this secure location safe from the elements (fire, water,
humidity, etc.) and from unauthorized access.208 Restrict the
number of people who have access to the confidential information
to an absolute minimum.
• Store hard copy documents in a lockable filing cabinet if possible,
and be aware that a locked or even guarded office may not be
enough. Strangers may still be able to enter the premises after
office hours.
• Do not assist burglars by labeling the filing cabinets in a way that
indicates that their contents may be confidential or important.
• Avoid carrying any highly sensitive information with you, unless
you are, for example, transporting it to a professional investigator,
or moving it to a safer place.
• As a precautionary measure, do not destroy documents and notes,
unless a tangible risk of real danger exists, as these might become
useful in subsequent criminal proceedings.
• Encode information. For example, instead of names, use a code to
identify sources. Avoid using the initials of the source when doing
so. Although this may help, it does not sufficiently protect the
identity of the contacts. Information can additionally be distorted
or disguised by, for instance, reducing the amount of detail kept in
a single file.
• Make copies of all important documents and keep the copies in a
separate, secure place. If there is no copy machine, take a picture
using your camera or mobile phone, and send it to someone else
for storage. However, beware that carrying sensitive material in
208
Maria Nystedt, Christian Axboe Nielsen and Jann K. Kleffner, A HANDBOOK ON ASSISTING CRIMINAL
INVESTIGATIONS 57 (2011), available at https://www.folkebernadotteacademy.se/en/AboutFBA/News/2011/A-Handbook-on-Assisting-Criminal-Investigations/.
129
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