Mealey's (March 29, 2021, 10:33 AM EDT) -- WAUKESHA, Wis. — The “specialized knowledge” needed for opining on methods and characteristics common in human trafficking cases can form the basis to qualify as an expert witness under Wisconsin state law, a state appeals court said March 24, affirming a conviction and noting that it was the first time a state court has ruled on this admissibility issue....