MADURAI: The police on Wednesday arrested Surjith's cousin Jeyapal (29) on charges of destroying evidence in the murder case of Dalit techie Kavin Selvaganesh.
Intensifying the probe, the CB-CID inquired Surjith's sister, Subhashini, for three hours, to which she cooperated.
It was reported that after committing the crime, Surjith rode to Jeyapal's house in Panangudi in a bloodstained shirt to evade police.
Days after the murder, Surjith's father, Saravanan, a former Sub Inspector of Police, was also arrested. With their two-day custody for CB-CID questioning coming to an end on Wednesday evening, their custody was extended till August 26 by the court.