Operation Spectrum

High Quality Content by WIKIPEDIA articles Operation Spectrum (Chinese: 光谱行动) was launched on May 21, 1987 by Singapore's Internal Security Department (ISD) using the Internal Security Act (ISA). 16 people were arrested for their involvement in what was described as a "Marxist conspiracy." On June 20, 1987, four of the original 16 were released and six more were arrested. They were detained without trial for between one month and three years. Tan Wah Piow, a former University of Singapore Students' Union president residing in England was named the mastermind behind the plot. Tan had fled Singapore in 1976 after evading National Service.

• Format: Paperback
• Language: English
• ISBN: 5512507028
• ISBN13: 9785512507025
• Release Date: January 1
• Publisher: Book on Demand Ltd.
• Length: 82 Pages
• Weight: 0.45 lbs.
• Dimensions: 0.2" x 8.3" x 11.0"