Thomas Walker, 22,charged with bribery and tampering with a government document.

Community Supervision and Corrections Department employee Thomas Walker, 22, had worked for the county for only two months when he accepted money from an undercover district attorney's office investigator to report a clean urine sample when the investigator didn't provide one at all. He is charged with bribery and tampering with a government document. He has resigned after being told he would be fired. Walker faces up to 20 years in prison for bribery.