If convicted, each accused faces a jail term of up to seven years, a fine of up to S$250,000, or both, for each charge under the Securities and Futures Act.
People who are convicted of driving under the influence of alcohol face a fine ranging from S$2,000 to S$10,000, a jail term of up to 12 months, or both.
The operations were aimed at curbing illegal activities in Geylang, such as unlawful gambling, vice-related offences, sale of illegal health products and other activities.
Cesar Mikeas Padilla Aguilar, 38, fatally shot his ex girlfriend's new boyfriend, 35-year-old Matthew Bodsford, after Bodsford confronted Aguilar over sexually inappropriate remarks he had made about the woman's daughters.
Shelley "Kat" Martin, 62, was charged with murder over the death of 40-year-old Emilio Ghanem, who vanished in 2023. Martin and her husband, Darryl Martin, were also charged with murder over the death of 4-year-old Timothy Thomas in 2010.
Intentionally aiding a person to enter the country illegally carries a penalty of six months to two years' imprisonment and a minimum of three strokes of the cane.
Offences involving the organisation of public assemblies or processions without the required permit, or in breach of permit conditions, carry a fine of up to S$5,000.