7. When physical evidence is collected for examination and testing it is often necessary to also collect a comparison sample. True False 8. When collecting questioned documents from a fire scene, the best practices is: Roll up the damp charred material and place in a metal paint can Air-dry or freeze-dry the wet documents and package them in a box, plastic container or envelope. Place the damp document in a heat sealed plastic envelope. None of the above. 9. When handling questioned documents and submitting for laboratory analysis: Always submit the original documents rather than copies Handle all documents carefully and preserve for latent prints When marking the protective cover with investigative data, always mark the protective cover before placing the document inside All of the Above 10. Typewriters, printers, fax machines, copy machines, rubber stamps, and seals may have potential use in analyzing questioned documents. True False