Chemist B Govinda Raj, of the Chemistry Department’s toxicology division, said the specimens marked A, B and C were received from Sergeant Abdul Rahim Taha at 10.58am on June 18, 2018.

The 40th prosecution witness said the department then carried out an alcohol analysis on the urine specimen while analysis on volatile substance was conducted on the lung tissue and psoas muscle.

He said the urine results found no traces of alcohol or common drugs while volatile substances were not detected in the lung or psoas muscle specimens.

“From the analysis conducted, I prepared a chemist report on July 20, 2018. The exhibits were also handed back, along with the report, to Abdul Rahim at 10.40am on July 24, 2018,” he said when reading out his witness statement before Judge Ab Karim Ab Rahman.

Govinda, 38, was testifying at the trial of Samirah Muzaffar, 46, a former senior executive, and two teenagers, now aged 19 and 16, as well as an Indonesian woman, Eka Wahyu Lestari, who is still at large, and who are all charged with murdering Nazrin at a house in Mutiara Damansara, between 11.30pm on June 13, 2018 and 4am the following day.

Govinda also told the court that no traces of carbon monoxide were found in all three specimens.

The trial continues tomorrow.