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Drug Field Tests Reduce Lab Work With the San Francisco Crime Lab no longer in operation, nearly 700 officers were trained to use portable kits to test for cocaine, heroin, and methamphetamine. The “presumptive” tests cost about $1 each and reduce the need for outsourced drug testing at $155 per case. read more Digital Ink Library Speeds Document Investigation The Secret Service and the Department of Homeland Security Science and Technology Directorate helped create the Digital Ink Library, a searchable database containing the electronic version of the International Ink Library's collection of ink samples. read more Mistakes New Managers Make: Mistake #2: Doing It All By avoiding these four common mistakes, you’ll be well on your way toward becoming an excellent manager. read more Thermal Fingerprint Developer Facilitates Field Work Current methods for visualizing fingerprints on paper are labor-intensive and time-consuming, using toxic dyes and chemicals to stain the fingerprints or make them fluorescent. The ground-breaking Thermal Fingerprint Developer uses heat to develop the fingerprint in a matter of seconds. read more DNA Identifies Two Body Halves as Same Body DNA tests confirmed that two sets of remains found a month apart in two Chicago suburbs where actually the same person. The Cook County Medical Examiner ruled the death a homicide due to trauma to the skull. The lower part of the body was found in a garbage bag in Arlington Heights in April while the badly decomposed upper part was discovered in May along the south bank of the Des Plaines River. read more