A former Henry County sheriff's deputy pleaded guilty Friday in U.S. District Court in Roanoke to two charges -- one for selling drugs and another for conspiring to commit racketeering.

Bradley Scott Martin, 33, accepted a plea agreement in which four charges of obstruction of justice and one charge of making false statements to a federal agent were dropped.

Martin, wearing jeans, tennis shoes and a button-up shirt, told Judge James Turk that he was pleading guilty because he was involved in selling Ketamine and steroids and was involved in other criminal activity.

Martin and 11 other current and former deputies and former Henry County Sheriff Frank Cassell are named in a 48-count federal indictment.

It accuses the deputies of using and dealing drugs; stealing narcotics and guns from evidence and redistributing them in the community; and lying to federal investigators.

Cassell is accused of protecting deputies he allegedly knew were involved in illegal activity.

The indictment says Martin routinely received steroids and prescription pills through the U.S. Postal Service. Martin used the steroids and sold them to people, including other deputies, the indictment said.

The indictment also said Martin distributed cocaine and marijuana.

The obstruction of justice charges, which were dropped, stem from allegations that Martin helped foil an investigation to arrest a citizen whom Martin allegedly bought and sold drugs with. The indictment also alleges that Martin agreed with other people named in the indictment to lie to investigators.

Assistant U.S. Attorney Tom Bondurant said that as part of the plea agreement, Martin may have to testify against the other deputies and Cassell.

If Martin cooperates, his sentence may be reduced, Bondurant said.

Martin faces a maximum of 40 years in prison and a $1.25 million fine.

He will be sentenced after his co-defendants' cases are over, Bondurant said.