CHENNAI: Missing environmental activist R S Mugilan last updated his Facebook page at 12.03am on February 16. He was active on Facebook till 12.40am. We stopped encouraging him.” Another activist from Trichy said, “Mugilan always projected himself as leader. His close friend and co-activist Isai alias Rajeshwari told TOI, “I am waiting for his return to discuss many things, which has to be one-to-one. Footage from CCTV cameras in Chennai shows that Mugilan went to meet a friend Sridhar from Alandur before reaching Chennai Egmore railway station with his friend Ponnarasan, who is also an activist..