Press HeraldGrad students invent 'Cannibuster' to detect pot usePress HeraldThey hope to market their roadside testing device to states where marijuana use has been legalized. The Associated Press. Share. facebook · tweet · email. print Comment. Read Article. Biomedical engineering students Kathy Stitzlein, left, and Mariam Crow ...Akron grad students invent device to detect marijuana use13WHAM-TVall 69 news articles »