Submitted by Editor on Thu, 2016-08-11 18:31 Bengaluru: A casual note on a Facebook group offering to sell his high-end bike proved deadly for this techie. Sohan Haldar, who was found dead in his residence at Shantiniketan Apartment last week, was the victim of this ‘easy-to-sell’ syndrome on social media.The Kadugodi police who were investigating into the death of Software professional, Sohan Haldar, stumbled upon this crucial evidence, when they were checking his phone calls.The police have arrested Karthik (30), a resident of Rajajinagar on the charges of murdering Sohan Haldar with a drink laced with cyanide.According to the police, Sohan had offered to sell his super bike KTM DUKE 390 WITH ABS on ‘Second to None’ Facebook page. He was soon contacted by Karthik (30), an engineering graduate.Victim Sohan Haldar Accused KarthikKarthik met Sohan at his apartment on August 1 and enquired about the bike. He again met him on August 3 – apparently to finalise the deal – at his apartment. The duo had drinks on that day. It is learnt that Karthik allegedly forced Sohan to drink alcohol laced with Silver Potassium content (cyanide). He also covered his face with a cloth and Sohan died due to asphyxiation.Karthik, later, took away the bike keys, helmet and a wallet. He used Sohan’s ATM card and withdrew Rs 27,000 as Sohan had the habit of writing down ATM pin on his ATM card.Sohan’s decomposed body was found three days after the incident. Sohan was sharing his apartment with three more men and the police suspected their role, initially. But they could not zero in on any.Later, the police checked his call records and manage to trace Karthik, to whom the last call was made. They arrested him on Wednesday.