This surge in synthetic heroin use also puts officers handling it at great risk. Some can be absorbed through the skin to cause an accidental O.D. Don't rely on negative results from color tests because they give false negatives on synthetics.
This surge in synthetic heroin use also puts officers handling it at great risk. Some can be absorbed through the skin to cause an accidental O.D. Don't rely on negative results from color tests because they give false negatives on synthetics.