 At around 6.45 pm on 13 July 1989 three men, Peter Leon Aloysius (alias Vigna), Rasiah Aravintharaja (alias Visuwesvaran/Visu) and Sivakumar (alias Arivu), arrived at the residence.The police guards allowed the trio to enter the premises without searching them.Vigna and Visu went upstairs to the Yogeswaran/Sivasithamparam residence whilst Arivu remained outside.