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Evidence Technology Magazine features evidence tracking system eTWIST

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Primary Marking’s evidence tracking system legal-PR-press-releaseeTWIST is featured in the January/February issue of Evidence Technology Magazine.

eTWIST allows police officers to record and enter evidence data information at the crime scene.  Primary Marking, a St. Louis-based company, estimates that law enforcement agencies using eTWIST can save up to 50 man-hours each week.

The Maplewood Police Department, serving a suburb of St. Louis, and law enforcement agencies in Cold Spring, KY and Alexandria, KY. have ordered or currently utilize the high-tech tracking system.

eTWIST makes the work of any law enforcement, military or private enterprise that tracks chain of custody evidence easier. State and local law enforcement agencies may be able to apply for federal funding through the Byrne Justice Assistance Grant program to assist with purchasing technology.

eTWIST features Windows Mobile 5.0/6.1-based software that can be integrated with a Motorola mobile computing device. Using the system, officers can record evidence at the crime scene and generate RFID or bar code labels via a Zebra GX420t or RFID Printer. The information, including the case number, time, date and the officer’s department service number, uploads to a database. The labels or RFID help make tracking and protecting the evidence’s chain of custody easier. (patent pending)

For more information, visit or contact P.J. McIntyre by calling 314-344-9178 or emailing at