What are the specific guidelines for officers to package and ship perishable evidence to the Lab?
A. Officers should freeze all carcasses and tissue samples as soon as possible. Quick freezing is especially important for protein and DNA analysis. The sooner a tissue sample is frozen, the better the chance of resolving protein activity and recovering DNA from the evidence. B. Officers should use a hard shell insulated camping cooler to ship perishable carcasses and tissues. C. Officers should use waterproof evidence tags. If these tags are not available, officers should use paper or cardboard tags that are sealed in zip-lock plastic bags and attached to the evidence bags. D. Evidence items that you know or suspect are infected with pathogenic organisms cannot be sent to the Lab without special handling, packaging, labeling and shipping containment identified in public health regulations at 42 CFR part 72 and 49 CFR part 173.134. Contact the Lab for additional guidance before packaging and shipping these items. E. Officers should consult the Law Enforcement Memorandum Series for guid
