Gruesome details emerged on Tuesday as the High Court heard the case of a security guard accused of murdering his girlfriend with an electric drill in a construction site in Tuen Mun.
The defendant, Safdar Husnain, who was 27 when the incident took place in the early hours of March 29, 2016, had earlier pleaded not guilty.
The deceased, Andrea Bayr, who was 25 at the time, was found to have a wound on the right side of her face, among other injuries, with part of a drill bit sticking out.
Traces of crystal methamphetamine, also known as Ice, were found at the scene and in the victim’s blood and urine.
The court heard that police received a report from Husnain’s friend of over a decade at 2.17am that day and arrived at the construction site near the junction of Tin Hau Road and Hung Cheung Road at 2.28am with the informant, who was waiting near the site.
Inside the unlit area, officers found a green container, which served as an office, with the door open.
They saw nobody inside but noticed a bloodstained plastic bag on the ground.
An officer then heard a noise from nearby and found Husnain and Bayr sitting on the ground near the container on the ramp of a footbridge.
Husnain, who was shirtless and barefoot, suddenly started to hit Bayr with an electric drill before being pinned to the ground by officers.
He kept saying “sorry” while being held down, the court heard.
Bayr was rushed to Tuen Mun Hospital at 2.51am and was found dead on arrival. She was certified dead at 3.10am.
An autopsy revealed multiple injuries all over her body with significant injuries to her head and neck.
Besides the wound from the drill, she had also suffered multiple blunt force traumas to the head believed to have been caused either by being hit or bumping her head against hard objects.
Deep bruises were found in her neck muscles and the cartilage near her voice box was fractured. It was believed that she also suffered substantial pressure on her neck.
The forensic expert believed either the head or neck injuries or both combined were sufficient to cause Bayr’s death.
Officers found three plastic bags containing 0.82 grams of Ice in the office. Bayr’s blood, stomach and urine were also tested to have contained the drug.
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