Authorities from Wisconsin and Illinois say large quantities of drugs and thousands of dollars in cash have been seized from suspected drug operations on both sides of the state line. Search warrants were executed in Beloit and South Beloit, with four men taken into custody. Shawn Martin, Marcus Riggins, Chad Lewis and Quintin Campbell face drug charges. Martin, Riggins, and Lewis are being held in the Rock County Jail until their scheduled court appearance Thursday. Campbell has a court appearance today (Wednesday) in Winnebago County.