Actress Erika Sawajiri, arrested Saturday following the alleged discovery of the synthetic drug MDMA at her Tokyo home, has admitted to using the drug "for some time" and to taking other types of illegal narcotics as well, according to investigative sources.The sources said the Metropolitan Police Department received a tip about a month ago that 33-year-old Sawajiri was in possession of an illicit drug different from MDMA.Sawajiri was turned over to prosecutors Sunday after spending the night at a police station in Koto Ward. Dozens of reporters and photographers had gathered from early mor…READ FULL ARTICLE