ROCKFORD (WIFR) --Gary Austin is wanted for failing to register as a sex offender. He's 51 years old, 5'9", 210 lbs., with brown hair and brown eyes. Antonio Bell is wanted for domestic battery. Bell's 22. He's 5'9", 150 lbs., with black hair and brown eyes. Samantha Swan is wanted for theft. Swan's 32, 5'5", 150 lbs., with brown hair and brown eyes. And Calvin Hempstead is wanted to aggravated battery. He's 37 years old, 5'10", 220 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 thousand dollars.