Collection and Enforcement: How Can a Parent Get Released from Jail After Arrest for Non-Payment of Support

My question involves child support in the State of:South Carolina yes me and my husband have two kids and i have a stepson recently my husband was in the hospital for heart problems when he was about to be discharged they arrested him for failure to pay child support our taxes were on federal offset to pay it my husband has custody of the child but right now i have the youngest two and my stepson is with his side of the family can they keep him in jail for long if he has custody they say no bail or bond what does that mean i dont understand can they do that i cant afford an attorney im a stay at home mom and he was trying to find a job but no luck he has an interview Monday but his in jail how long will they keep him PLEASE PLEASE HELP

Collection and Enforcement: How Can a Parent Get Released from Jail After Arrest for Non-Payment of Support