He purchased the drugs from abroad and sold them to his colleagues and south Koreans on six occasions from last August to this January.

Drug trafficking is becoming increasingly prevalent among the U.S. aggressor forces, typically a GI in Songnam City of Kyonggi Province who shipped huge amount of drugs in secrecy early this year.

GIs' drug-related crimes in south Korea date back to the Korean War days when GIs carried out experiments on south Koreans by the use of drugs and hallucinogens for the purpose of studying biological weapons.

The U.S. aggressor forces are kingpin of crimes and hotbed of all misfortunes and violence who degrade the south Korean society and people.