Andrews's house and also delivered  cocaine and heroin to Harold Corbett, another drug dealer  operating in the District.  Soon Eddie Mathis himself ordered  heroin from Castro.


3
On March 8, 1997 DEA agents, acting undercover, ordered  250 grams of heroin from Andrews.  After Perez delivered  the heroin, the police arrested both Andrews and Perez.They pleaded guilty and Perez identified Castro, Rodriguez  and Eddie Mathis as coconspirators.  On July 9, 1997 DEA  agents arrested Castro as he was preparing to sell Eddie  Mathis 300 grams of heroin.  Castro pleaded guilty to drug  trafficking charges and cooperated with the DEA by making  several monitored telephone calls to Eddie Mathis to arrange  a drug deal.  Castro arrangeda heroin sale to Eddie Mathis.Eddie Mathis dispatched Lee to purchase the heroin and a  DEA agent arrested Lee on August 20, 1997.  DEA agents  were unable to arrest Eddie Mathis before he went into  hiding but they subsequently filed a complaint against him  and obtained a warrant for his arrest.


4
Meanwhile, in July 1997 Eddie Mathis contacted Rodney  Patterson and Terry Kelton, who were then inmates at the  United States Penitentiary in Lewisburg, Pennsylvania, about  arranging a drug transaction.  Patterson and Kelton introduced Eddie Mathis to Peter Coley, a fellow inmate.  Unbeknownst to Eddie Mathis, Coley had agreed to assist DEA  agents in setting up a drug sale to Eddie Mathis.  Through  monitored telephone calls,