If gunshot residue tests cannot be done on the victim's hands at the crime scene, the hands should ...

If gunshot residue tests cannot be done on the victim's hands at the crime scene, the hands should be secured in ____________ _________.
 
  Fill in the blank(s) with the appropriate word(s).

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(Question #2) Bloodstain patterns should be documented with __________.
 
  a. chemicals
  b. sketching
  c. photographs
  d. report

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(Question #3) The investigator should take precautions to avoid __________ of trace evidence on the body of a homicide victim.
 
  a. presence
  b. loss
  c. collection
  d. manipulation

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(Question #4) The ___________ of the body may be important for crime scene reconstruction efforts.
 
  Fill in the blank(s) with the appropriate word(s).