11. Courtney has been in custody since Wednesday, on a single charge of adulterating and misbranding a drug. 12. The 12 counts of adulteration and misbranding pertain to medications obtained by federal agents in the undercover operation. 13. He pleaded guilty in February to 20 federal charges of tampering with, adulterating and misbranding chemotherapy medications. 14. Courtney pleaded guilty on Feb . 26 to charges of misbranding , tampering with and adulterating chemotherapy medications. 15. So far, he has only been charged with a single count of misbranding and adulterating a drug. 16. Charges also include possession of human growth hormone, misbranding drugs with intent to defraud and money laundering. 17. These charges were in connection with the misbranding which led to the three deaths in the Pacific Northwest. 18. Courtney remained Friday in federal custody, indicted on 20 counts of product tampering, drug adulteration and misbranding . 19. In February 2002, Courtney pleaded guilty to 20 counts of misbranding , tampering with and adulterating cancer drugs. 20. Courtney, 48, was charged Tuesday with a single federal charge of misbranding and adulteration of a drug.