ROCKFORD (WIFR) -- The first two suspects are wanted for theft. Joshua Williams is 35 years old. He's 5'7", 155 lbs., with brown hair and hazel eyes. And Catherine Hill is 41. She's 5'8", 155 lbs., with blond hair and blue eyes. Hashuan Merrills is wanted for a narcotics violation. He's 21 years old, 5'8", 165 lbs., with black hair and brown eyes. And Mardy Williams is wanted for robbery. Williams is 21. He's 6'0", 185 lbs., with black hair and brown eyes. If you know the whereabouts of any of these four, make the anonymous call to Crime Stoppers and you could earn a cash reward of up to $1,000.