The retired army officer who is believed to be of the Lieutenant rank is believed to have warned the boy a number of times and opened fire at the boy in a sudden fit of anger. The officer was staying in the officers quarters which is close to the site where Dilshan was shot. The breakthrough in the case was made by the CB-CID who is currently investigating the case.
The culprit retired three days ago and was on his way to Madurai when the investigative agency picked him up suspecting his involvement in the crime. The weapon used for the killing was recovered in the Coouam river in Chennai.
Dilshan, was killed due to a bullet wound on the head for trespassing into the army quarters area in the Island Grounds locality. He had entered the area to pluck almonds. The incident had raised a hue and cry with locals demanding immediate action on those who had carried out the crime. The boys postmortem report also confirmed that he had died of a bullet wound.
Army officers had been questioned including one officer in the rank of Lt Colonel. After the case was handed over to the CB-CID, the army claimed that all its personnel who were stationed in the site was made available for questioning by the investigative agency. The military police was also engaged in parallel probe on the matter.