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Psychiatrist to be questioned over mental state of man who stabbed landlord in Yishun

Affendi Yusoff took illicit pills before killing Fiqri Choo Iskandar at their flat in Yishun in July 2024. Read more at straitstimes.com.

The Straits TimesSelina Lum2026-10-29 17:28查看原文 ↗

Murder suspect Affendi Yusoff being taken back to the crime scene at Block 803 Yishun Ring Road on Aug 6.

Published Oct 29, 2026, 05:28 PM

Updated Oct 29, 2026, 05:30 PM

Prosecutors asked the High Court to acquit 52-year-old Affendi Yusoff after he killed landlord Fiqri Choo Iskandar in Yishun, saying he was of “unsound mind” after taking dextromethorphan pills.

Justice Philip Jeyaretnam said the psychiatrist’s three reports were hard to reconcile and was “not particularly satisfied” Affendi did not know his act, so he adjourned the case to question the psychiatrist.

Affendi admitted to culpable homicide after a knife and chopper attack that caused 97 injuries; a second report said he was likely sane, while a third said he may have regained his faculties after the assault.

SINGAPORE – Prosecutors on Oct 29 asked the High Court to acquit a 52-year-old man who fatally attacked his landlord with three knives and a chopper after taking illicit pills because he was assessed to be of unsound mind at the time.

But Justice Philip Jeyaretnam said he found it difficult to reconcile the three reports issued by the psychiatrist, which appear to go back and forth on whether Affendi Yusoff was of unsound mind while he was intoxicated with dextromethorphan, a cough suppressant.

“I’m not particularly satisfied on the balance of probabilities that the accused did not know the nature of his act,” the judge said.

He wanted to question the psychiatrist in court, and adjourned the hearing to a later date.

On Oct 29, Affendi pleaded guilty to a reduced charge of culpable homicide not amounting to murder for killing 35-year-old Fiqri Choo Iskandar at their 10th-floor flat at Yishun Ring Road on July 27, 2024.

The prosecution and the defence agreed that he was of unsound mind at the time of the offence.

Deputy Public Prosecutor Nicholas Wuan said Affendi should be acquitted by operation of law because he was incapable of knowing the nature of his acts.

Affendi, an odd-job labourer, was released from prison on June 11, 2024, after serving a five-year corrective training regime for repeat offenders.

His sister arranged for him to rent a bedroom from the victim.

The night before the fatal attack, Affendi took more than 90 pills containing dextromethorphan. He bought the pills near MacPherson MRT station.

Between about 7.50am and 8.40am on July 27, 2024, Affendi repeatedly attacked the victim with three knives and a chopper, shortly after the two of them took a photo together.

When the police arrived at the scene, Affendi was found seated next to the victim’s body near the lift lobby, and arrested.

The victim suffered 97 external injuries and died from a stab wound to the chest and slash wounds to the head.

Affendi was initially assessed to be of unsound mind due to dextromethorphan use.

A second psychiatric report, issued after a crime scene reconstruction indicated activity of a clean-up, said he was likely not of unsound mind at the time.

The third report said it was highly possible that he was of unsound mind but regained his mental faculties after the assault ended.

8月6日，谋杀嫌疑人阿芬迪·尤索夫被带回义顺环路第803座组屋的犯罪现场。

发布于 2026 年 10 月 29 日下午 5:28

更新于2026年10月29日下午5:30

检察官要求高等法院宣告 52 岁的阿芬迪·尤索夫 (Affendi Yusoff) 无罪，此前他杀害了义顺的房东菲克里·朱·伊斯坎达尔 (Fiqri Choo Iskandar)，检察官称他在服用右美沙芬药片后“精神不健全”。

法官菲利普·杰亚雷特南表示，精神科医生的三份报告难以调和，并且“不太相信”阿芬迪不知道自己的行为，因此他将案件延期审理，以便质询精神科医生。

阿芬迪承认在持刀砍杀造成 97 人受伤后犯有过失杀人罪；第二份报告称他可能神志清醒，而第三份报告称他可能在袭击后恢复了神智。

新加坡——10月29日，检方要求高等法院宣告一名52岁男子无罪，该男子在服用非法药物后，用三把刀和一把砍刀袭击房东致其死亡，因为检方认为他当时精神状态不健全。

但法官菲利普·杰亚雷特南表示，他发现很难调和精神病学家出具的三份报告，这些报告似乎在阿芬迪·尤索夫服用止咳药右美沙芬中毒时是否精神失常的问题上反复无常。

法官说：“根据现有证据，我并不完全相信被告人不知道自己行为的性质。”

他想在法庭上质问这位精神科医生，于是将听证会延期至稍后日期举行。

10 月 29 日，阿芬迪承认犯有过失杀人罪，该罪名较轻，他于 2024 年 7 月 27 日在义顺环路 10 楼的公寓内杀害了 35 岁的菲克里·朱·伊斯坎达尔。