A $20 debt will land a man behind bars after he was convicted of forcing the debtor into a car outside Walmart and then beating him up.The man, Hollis Fisk Jr., 29, was convicted by a jury on charges of false imprisonment and assault. He will face sentencing April 8. Fisk was able to sidestep a conviction on his original charge of kidnapping, a count that could have cost him eight to 12 years in prison.