A jury has convicted the national president of the Outlaws motorcycle gang and three members of racketeering and other charges.

Outlaws president Jack Rosga of Milwaukee showed no reaction when the jury's verdict was read Tuesday in federal court in Richmond, Va. Also convicted were Mark Jason Fiel, Harry McCall and Christopher Timbers.

All four will be sentenced April 8. A member of another motorcycle club was acquitted.

Prosecutors claimed during a two-week trial that Rosga headed a highly organized criminal enterprise responsible for a series of violent crimes, most of them targeting the rival Hells Angels.

Defense attorneys said the government was trying to make a handful of random incidents look like a criminal conspiracy.