The evidence depository must be located in the same building where the CID, provost marshal, security officer,
operation, or administrative staffs are located.
Figure 2-21. Typical Evidence Depository Room.
The room used as the evidence depository must have walls extending from the floor to the true ceiling. Walls and
ceilings may be of masonry or wood construction. Walls or ceilings that are of wooden stud construction will
have a combined exterior and interior thickness of at least one inch. Permanently installed flooring of other than
masonry construction may be used provided the floor cannot be breached without causing considerable damage to
the building structure.
If suitable walls and ceilings are not available, 6-gauge steel mesh with 2-inch diamond grid may be permanently
affixed to the interior wall or ceiling. Walls or ceilings may also be lined with steel plates at least 1/8" thick,
permanently affixed to the floor. Walls or ceilings may be installed within a room for use as an evidence
depository when the room, walls, flooring, or ceiling do not meet structural standards.
When installation of a cage creates a space between the original walls of the room and the cage, the additional
space must not be used for storage of evidence. It may be used as a work area for packaging evidence or for
storage of packaging materials.
Not more than one doorway may allow access to and from the evidence depository. Entrance into the evidence
depository must require opening two successive doors. When an interior steel mesh cage is used, the cage door