Yvonne Seah Yew Foong, a former BSI SA private banker, became the second person to be convicted in Singapore’s investigation into alleged money laundering linked to 1Malaysia Development Bhd. Judge Salina Ishak sentenced Seah, 45, to two weeks in jail for aiding in forging documents and imposed a fine of S$10,000 for failing to report suspicious transactions allegedly related to Malaysian financier Low Taek Jho.