Missing woman is found alive and 'chained like a dog' inside a metal storage container after cops heard her banging for help at sex offender's house - where there could be FOUR more bodies buried

Kala Brown (left), a woman who has been missing since earlier this year has been founded chained up in a large metal container by police investigating reports of a sex crime. Brown, 30, was found on a property in Woodruff, South Carolina, police announced on Thursday evening. Sheriff Chuck Wright told NBC News the 30-year-old was 'chained inside the container like a dog.' The woman, who went missing with her boyfriend, Charlie Carver, 32 (top right), on August 30 this year, reportedly told police as many as four bodies may have been burned on the property. The man who owns the property, Todd Kohlhepp (inset second second right), is a registered sex offender.