State releases report on roadside blood & saliva samples

State leaders say they're finished with an investigation into blood and saliva samples taken on roadsides in Bibb and St. Clair counties.Drivers were asked to give the samples anonymously. {}It was for a traffic safety study.Law enforcement leaders say{}people asked to give samples did not report pressure to do so.Law enforcement officers at the scenes had limited contact with people, while researchers collected the samples.No state department authorized participation in the study.The research is part of a program backed by the National Highway Traffic Safety Administration.