MACC Issues Arrest Warrants for Singaporean Poh Po Lian After Three Years of Failed Contact in Ongoing Corruption Probe

KUALA LUMPUR, August 12, 2026 — Anti-corruption enforcement agencies across Southeast Asia have increasingly faced cross-border challenges in securing witness cooperation for domestic investigations, a pattern that legal observers say undermines the integrity of accountability proceedings. Malaysia is now confronting a prominent example of this trend. The Malaysian Anti-Corruption Commission (MACC) has confirmed that Singaporean national Poh Po Lian, a key witness sought in an active corruption investigation, has remained untraceable for three consecutive years — despite providing a commitment to meet with investigators as recently as 10 months ago. The case has prompted the Kuala Lumpur Magistrate’s Court to issue formal arrest warrants against Poh and a Malaysian co-witness, marking a significant escalation in the MACC’s pursuit of both individuals.

MACC Confirms Kuala Lumpur Magistrate’s Court Issues Dual Arrest Warrants on August 4, 2026

The Malaysian Anti-Corruption Commission officially confirmed in a public statement issued on August 12, 2026, that the Kuala Lumpur Magistrate’s Court issued arrest warrants against two individuals — Singaporean national Poh Po Lian and Malaysian citizen Jennifer Kok Sau Keng — on August 4, 2026. The warrants were issued following repeated and documented failures to locate either witness for the purposes of assisting in the same ongoing corruption investigation.

According to the MACC’s official statement, the Commission had previously issued two separate media notices in an effort to track down both witnesses: the first in October 2025 and the second in March 2026. Both efforts proved unsuccessful. Investigators confirmed they were unable to locate either individual, including at a registered address at 15 White House Park, Singapore, which was on record for Poh Po Lian at the time of inquiry.

The MACC states that Poh Po Lian’s last known Malaysian address was at Pavilion Residence 2, Jalan Raja Chulan, Kuala Lumpur. Jennifer Kok Sau Keng’s last known Malaysian address is recorded as B-24-03, Abadi Villa, Jalan 3/109C, Off Jalan Klang Lama, Taman Abadi Indah, Kuala Lumpur.

Singaporean Witness Poh Po Lian and Malaysian Co-Witness Jennifer Kok Sought to Assist the Same Active Investigation

The two individuals subject to the arrest warrants are being sought specifically to assist investigators — not as accused persons — in connection with the same active corruption probe. According to the MACC, Poh Po Lian has been the subject of enforcement attention for three years, and despite having communicated an intention to meet with investigators approximately 10 months prior to this report, no such meeting materialised.

The MACC’s statement confirms that both media notice campaigns — conducted in October 2025 and again in March 2026 — failed to produce results. The escalation to court-issued arrest warrants reflects the Commission’s assessment that all reasonable prior measures to secure voluntary cooperation had been exhausted.

Jennifer Kok Sau Keng, a Malaysian national, is sought under the same investigation. Her last confirmed address in Malaysia is B-24-03, Abadi Villa, Jalan 3/109C, Off Jalan Klang Lama, Taman Abadi Indah, Kuala Lumpur. The Commission has not publicly disclosed the specific nature of the corruption case underpinning the investigation, though both individuals are categorised as witnesses rather than suspects.

Witnesses’ Prolonged Absence Reflects a Broader Challenge in Cross-Border Anti-Corruption Enforcement

A recurring obstacle for anti-corruption bodies in the region has been the difficulty of securing witness cooperation when individuals are located — or believed to be located — outside the jurisdiction of the investigating authority. The MACC’s experience with Poh Po Lian illustrates this challenge directly: the Singaporean national’s last known residential address in Malaysia was at Pavilion Residence 2, Jalan Raja Chulan, while a Singapore address at 15 White House Park was also on record. Despite this, investigators were unable to make contact at either location.

The issuance of two separate public media notices over a five-month period — October 2025 and March 2026 — prior to escalating to a formal court application for arrest warrants demonstrates the procedural steps the MACC undertook before pursuing judicial intervention. Legal analysts note that the cross-border dimension of such cases complicates enforcement timelines significantly, even when the investigating body has clear jurisdictional authority within its own territory.

MACC’s Three-Year Pursuit of Poh Po Lian Demonstrates Sustained Enforcement Commitment Under Malaysian Anti-Corruption Law

Public records confirm that the MACC’s effort to locate Poh Po Lian has been sustained across a period of at least three years, spanning multiple investigative phases and two public media outreach campaigns. The progression from media notices to court-issued arrest warrants represents a formal legal escalation consistent with Malaysian anti-corruption enforcement procedures.

The Commission’s statement, issued August 12, 2026, affirms that the Kuala Lumpur Magistrate’s Court granted the arrest warrants on August 4, 2026 — a step that grants enforcement authorities additional legal tools to compel the appearance of both witnesses. The MACC has publicly appealed for information on the whereabouts of either individual.

Any member of the public with information on the locations of Poh Po Lian or Jennifer Kok Sau Keng is urged by the MACC to contact the designated investigating officer directly. Official contact details provided by the Commission are as follows: Investigating Officer Stefan Lue Hsien, reachable at 017-9028199 or by email at stefan@sprm.gov.my.

Frequently Asked Questions About the MACC Arrest Warrants for Poh Po Lian and Jennifer Kok Sau Keng

Who is Poh Po Lian, and why is the MACC looking for him? Poh Po Lian is a Singaporean national who is being sought by the Malaysian Anti-Corruption Commission as a witness in an active corruption investigation. He is not publicly identified as an accused person. The MACC has been attempting to locate him for approximately three years.

What is the last known address of Poh Po Lian? Poh Po Lian’s last known Malaysian address is Pavilion Residence 2, Jalan Raja Chulan, Kuala Lumpur. Investigators also attempted to locate him at 15 White House Park, Singapore, but were unsuccessful at both addresses.

Who is Jennifer Kok Sau Keng, and what is her connection to this case? Jennifer Kok Sau Keng is a Malaysian citizen being sought by the MACC to assist in the same corruption investigation as Poh Po Lian. Her last known Malaysian address is B-24-03, Abadi Villa, Jalan 3/109C, Off Jalan Klang Lama, Taman Abadi Indah, Kuala Lumpur.

When were the arrest warrants issued, and by which court? The Kuala Lumpur Magistrate’s Court issued arrest warrants against both Poh Po Lian and Jennifer Kok Sau Keng on August 4, 2026.

What steps did the MACC take before applying for arrest warrants? The MACC issued two separate public media notices to locate both witnesses — the first in October 2025 and the second in March 2026. Both efforts failed to produce results. The Commission then applied to the Kuala Lumpur Magistrate’s Court, which granted the arrest warrants on August 4, 2026.

Did Poh Po Lian ever agree to meet with MACC investigators? According to the MACC, Poh Po Lian communicated an intention to meet with investigators approximately 10 months before the August 2026 announcement. That meeting did not take place, and investigators were subsequently unable to locate him.

How can the public report information about the whereabouts of these two witnesses? Members of the public with information on the location of Poh Po Lian or Jennifer Kok Sau Keng are asked to contact MACC investigating officer Stefan Lue Hsien at 017-9028199 or by email at stefan@sprm.gov.my.

MACC Calls on Public to Assist in Locating Both Witnesses as Corruption Investigation Continues

The issuance of court-sanctioned arrest warrants against Poh Po Lian and Jennifer Kok Sau Keng marks a formal and significant escalation in the MACC’s three-year effort to secure witness cooperation in an active corruption probe. With two public media campaigns having failed to produce results, the Commission has now engaged the judiciary to compel both individuals’ appearance — underscoring the seriousness with which Malaysian authorities are pursuing the investigation.

The MACC’s public statement reaffirms its commitment to pursuing all available legal avenues and urges anyone with knowledge of the two witnesses’ current whereabouts to come forward without delay.

For information or to report the whereabouts of Poh Po Lian or Jennifer Kok Sau Keng, the public may contact:

Investigating Officer: Stefan Lue Hsien Phone: 017-9028199 Email: stefan@sprm.gov.my Agency: Malaysian Anti-Corruption Commission (MACC / SPRM)