Two women in Kerala, reported missing by their families, were murdered and buried in a horrific case of black magic and human sacrifice revealed today by the police. Roselin and Padma, who were from different parts of Ernakulam district, were killed by a couple who wanted to end their financial troubles and get rich, the police said. The couple and one more person, their agent, were arrested today. Roselin and Padma, both in their early 50s, sold lottery tickets in Ernakulam. Roselin disappeared in June, said the police, and Padma in September.