Dharmasthala reinvestigation: Kusumavathi and forensic experts record statements as the Special Investigation Team probes the 2012 rape and murder case. Mangaluru: Kusumavathi, mother of Sowjanya, and doctors who were part of the investigation on Thursday appeared before the Special Investigation Team (SIT), which is conducting a reinvestigation into the 2012 rape and murder of Soujanya in Dharmasthala village.Kusumavathi appeared before the SIT at its office in Mangaluru at around 3.