Source: Los Angeles Times Contact: Wed, 30 Jul 1997 Page B4 About 5,000 marijuana plants were found by Los Angeles County sheriff's detectives serving a search warrant at a mansion on Stone Canyon Road in the upper reaches of BelAir Estates on Tues day night, deputies said. Most of the plants were being grown under artificial lights in side the home, detectives said. At least one man was being questioned in connection with the seizure, officials said. Detectives said the search culminated a lengthy investigation.