Adithya Karikala was murdered, soon after he won Kanchi from Pallavas, who tried to get back thir freedom.
If he was alivehe woul have succeded io the throne. The investigation dragged on until his cousin Rajendra took up the case and pursed, after 2 long years. Please Refer A.K.Neelakanta shasthry and K.K.Pillai in ( Tamiil).