Senior lawyer Karpal Singh, acting on behalf of the family of Aminulrasyid Amzah - the teen shot dead by police last week - will write to the attorney-general, urging him to consider charging the officers involved with murder.

"I will write to the AG to find out from him what his position is and also to urge him - in view of the evidence given by the star witness - that the charge which ought to be framed is one of murder," he said.

"Prima facie, it appears to be a clear case of homicide. If the car landed in a (drain) then it could not have been reversed into police personnel (causing them to fire in self-defence)," he told reporters in Shah Alam this afternoon.

Karpal spent about 10 minutes examining the scene of the incident with the help of 15-year-old Azamuddin Omar, who was in the car driven by the deceased in the early hours of April 26.