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WSLH Joins International Partnership of Science and Law Through ROSITA2 Project

Working together with European researchers and law enforcement officials on two continents, the WSLH’s Forensic Toxicology program has established Wisconsin as an American site for the ROSITA2 project.


ROSITA, or Roadside Testing Assessment, is designed to test devices that detect drugs in oral fluid for roadside use by law enforcement officers. Laura Liddicoat, the WSLH Forensic Toxicology Program Supervisor, felt that Wisconsin and the WSLH would be a good fit as a US site for the second round of this international drugged-driving project.


“The overall goal is to provide officers with another tool to detect drugged drivers at the roadside,” Liddicoat said. “Officers often see an impaired driver, with little or no alcohol present, but don’t have that extra training or ability to connect the impairment to drugs other than alcohol. This gives them an easy-to-use tool right there in the field.”


After attending the Society of Forensic Toxicology’s (SOFT) national meeting in 2003, Liddicoat volunteered to be an American coordinator due to the ongoing successful partnership of the WSLH and Wisconsin’s law enforcement departments.


Sponsored by the European Commission abroad and the White House Office of National Drug Control Policy (ONDCP), the National Institute on Drug Abuse (NIDA) and the National Highway Traffic Safety Administration (NHTSA) here in the United States, Wisconsin joins Washington, two Florida counties and Salt Lake City, Utah, as domestic sites.


Wisconsin has six sub-sites throughout the state: Dodge County, Green Bay/DePere, La Crosse, Manitowoc/Two Rivers, Waukesha and Wausau. Within these areas, approximately 12 law enforcement agencies and 47 officers or Drug Recognition Experts are participating with Liddicoat in the project.


Each site requires 500 subjects over two nine-month periods with both oral fluid specimens using the test devices and urine and/or blood specimens from each subject to verify the accuracy of the oral fluid device. However, compared to their European counterparts, American law enforcement officers face a tougher challenge finding willing subjects.


European officers can set up roadblocks to catch suspected drugged drivers and do not require consent from possible subjects. In comparison, US officers must receive consent from their subjects, which often proves difficult when your subject is likely uncooperative and possibly facing arrest.


Despite the challenges, Liddicoat credits the Laboratory’s involvement in the ROSITA2 program for opening new doors to the WSLH.


Working with Dr. Alain Verstraete, the EU coordinator from Ghent University in Belgium, and Dr. Michael Walsh, the US coordinator from the ONDCP, the WSLH has earned greater recognition for its work in forensic toxicology both nationally and internationally. Her work as coordinator has earned Liddicoat an opportunity to speak at this year’s SOFT conference.


Here at home, the WSLH is continuing to build more successful partnerships with local law enforcement agencies around our state as science and law partner together to address drugged driving on our roadways.

Written By: Jessica D. Burda, WSLH Communications Specialist

Date: WSLH 2004 Annual Report

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