1.   He said the relics were spotted by an alert customs agent working in an express mail center in Newark, N.J.

2.   His testimony helped alert customs officials to the import of Chinese goods produced by prison labor, a violation of U.S. law.

3.   But, the court was told, the importation was foiled by an alert customs officer at Perth airport who searched a bag belonging to one of the couriers.

4.   The bombing was avoided by an alert customs agent.