May 21: Nalini accompanies Subha, Dhanu, Sivarasan and Haribabu to Rajiv Gandhi’s election rally at Sriperumbudur in Tamil Nadu. At the venue, she sits in the women’s section and watches a light music programme while Sivarasan takes Dhanu into the VIP enclosure. Rajiv is killed in the blast set off by suicide bomber Dhanu after she garlands him. A day later, the CBI takes over the case and sets up an SIT (Special Investigation Team). A massive manhunt begins.
May 23: A suspect named Shankar is arrested from Thanjavur. Details from his diary lead sleuths to the private firm where Nalini works. The police also recover the camera of Haribabu from the site, the roll yields photos of Sivarasan, Dhanu, Subha and Nalini. Through Shankar, they now know of Sivarasan’s name. Sivarasan meets Nalini.
May 24: Press cites the police, naming Shankar as an LTTE man, being funded by Sivarasan.