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65 FBI L. Enforcement Bull. 22 (1996)
Suspect Restraint and Sudden Death

handle is hein.journals/fbileb65 and id is 134 raw text is: 










   Suspect

Restraint

               and

    Sudden

         Death
 By DONALD  T. REAY,  M.D.


    ne law enforcement tech-
         nique for controlling vio-
         lent suspects is to place
them in a hog-tied and prone posi-
tion by binding their hands and feet
together behind their back and plac-
ing them on their stomach. This
physically incapacitating position,
however, makes it difficult for sub-
jects to breathe and can cause them
to die.I
    Because of the risks associated
with hog-tied and prone restraint,
officers must  monitor subjects
closely for signs of respiratory dis-
tress. This article describes how
hog-tied restraint can cause death,


what other factors might contribute
to such a death, some steps that can
be taken to prevent sudden deaths,
and  what evidence law  enforce-
ment officers can provide to assist
medical  examiners during death
investigations.

Positional Asphyxia
    When  a hog-tied subject dies,
forensic pathologists generally at-
tribute the death in whole or in
part to positional asphyxia result-
ing from respiratory compromise.
Positional asphyxia occurs when
the position of the body interferes
with the person's ability to breathe.


Breathing involves interaction of the
chest wall, the diaphragm, and the
muscles of the rib cage and abdo-
men.  Interference with  proper
breathing produces an oxygen defi-
ciency (known as hypoxia) in the
blood,' which disturbs the body's
chemistry and creates the conditions
for a fatal rhythm disturbance in the
heart.

Contributing Factors
    An  examination of reported
positional asphyxia-related deaths
revealed that several other readily
observable factors can increase a
subject's susceptibility to sudden


22 / FBI Law Enforcement Bulletin


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