1.   If the X-ray reveals drug packets, the person is taken to a medical facility where customs agents wait for the person to expel the pellets.

2.   Roberts had bought the drug packets at his local pharmacy in the Castro district of San Francisco, one that caters to patients with massive medication needs.

3.   Such searches are intended to catch smugglers who swallow drug packets or hide cocaine or heroin inside clothing or in body cavities.

4.   The searches are intended to catch smugglers who hide cocaine or heroin inside their clothes or who swallow drug packets.

5.   Six Africans were arrested last week at the Simon Bolivar international airport here and charged with carrying drug packets in their stomachs, police officials said Wednesday.