NDTV Correspondent, Updated: July 09, 2011 23:34 IST.
Army sources have told NDTV that a retired officer has been taken into police custody this evening. The retired officer, who was staying in the officer's block opposite to the place of the incident, was handed over to police for questioning yesterday.
Dilshan, a Chennai teenager, was killed by a bullet while picking almonds, with his friends, inside the Island Grounds Army Residential complex in Chennai on Sunday.
The CB-CID, which is investigating the case, on Thursday, confirmed the use of a rifle in the murder. It also interrogated a few Army officers including a Lt Colonel in connection with the case.
Earlier, Chief Minister Jayalalithaa blamed the Army for the death of the teen.