Officials said CB-CID SP Rajeswari and DIG Manjunatha visited the spot where they were hacked to death by an armed gang on November 14 and began their inquiry.
45-year old MG Kathiresan, along with his two children, was returing here from his native village when the gang had waylaid his car and attacked them at Nedungulam in the district.
Kathiresan, his 9-year son and the driver were killed in the attack while his seriously injured daughter (7) had been admitted to Government Rajaji Hospital in Madurai,police said.
Kathiresan had fallen out with some local people during the local body elections last year.
Sivaganga: The murder of ruling AIADMK's district student wing secretary and two others, including his son, has been transferred to the CB-CID, police said on Friday.
First Published: Saturday, November 17, 2012, 00:24