Mohan Kumar Vivekanand (born 1963), also known as Cyanide Mohan, is a serial killer who preyed on women looking for marriage. A Mangalore fast track court tried and convicted him for the murder of 20 women. He was accused of luring women who were unable to pay dowry or were unable to find suitable husbands. He would kill them by giving them cyanide pills, claiming they were contraceptives, and rob them of their jewelry. He was charged with 20 murders and defended himself in court. He was sentenced to death in December 2013.