A Drain man on probation was back in custody today after allegedly attempting to pass someone else’s urine off as his own during a drug test. Adam Lee Childers, 31, appeared at the Douglas County Sheriff’s Office’s North County substation to take a urine analysis for his probation officer, according to the sheriff’s office. He is suspected of trying to falsify the test by attempting to use someone else’s urine, the sheriff’s office said. Childers, who has been convicted of second-degree theft, was cited on suspcion of falsifying drug test results, providing drug test falsification equipment and a felony probation …