By Alex Lang New York (Knewz) — A former police chief admitted to his role in a gun trafficking scheme that saw more than 200 fully automatic machine guns transfer hands. Recently, Dorian LaCourse, 66, pleaded guilty to conspiracy and making false statements, according to federal prosecutors in Indiana. He is the former police chief in Addyston, Ohio, officials noted. Jonathan Marcum, 34, and Christopher Petty, 58, previously pleaded guilty to their role in the scheme. Prosecutors said the three used a law enforcement exception to the federal ban on the possession or transfer of fully automati…