The Drug Enforcement Administration arrested the son of Rep. Randy "Duke" Cunningham (R-San Diego) earlier this month for allegedly flying an airplane loaded with more than 400 pounds of marijuana into a small airport near Boston.

Todd R. Cunningham, 27, a San Diego bartender, pleaded not guilty to marijuana trafficking and conspiracy to violate drug laws. Authorities said that on Jan. 17, they saw kilogram-size bricks of marijuana unloaded from a twin-engine plane at Lawrence Municipal Airport in North Andover, Mass.

A DEA agent told the Eagle Tribune newspaper in North Andover that Todd Cunningham is suspected of bringing the shipment from California or another Western state to sell to the two other arrested suspects, Christopher M. Guivas, 21, and Mark S. Ingalls, 23, both of Massachusetts. Cunningham denied that he flew the plane, police said.