Lewiston police officer Bill Brochu, left, volunteers to be the suspect during a training session for area school administrators. Vicky Weigman, right, a substance-abuse counselor for the Lewiston School Department, conducts a sobriety test guided by Auburn police officer Scott Corey at the Auburn Police Department on Thursday. About 28 school administrators and school nurses participated in the sobriety training in which participants learned to recognize the signs of drug and alcohol use in students and to administer field sobriety tests. The training was sponsored by the Auburn PD and Healthy Androscoggin.