In March 2026, Kenya’s political and business corridors were shaken by revelations of a Sh60.08 million fake ambulance tender orchestrated from Harambee House, the nerve center of the Ministry of Interior and the Office of the President.
Interior PS Raymond Omollo and Trans Nzoia Senator Allan Chesang are now being tagged as the new Wash Wash Kings, accused of manipulating procurement processes for personal enrichment.
Investigations reveal a network of government officials, brokers, and private contractors who allegedly engineered a sophisticated fraud targeting an unsuspecting Swedish investor.
The scandal, first flagged by a whistle-blowing aide, has exposed deep-rooted corruption in Harambee House, threatening to tarnish Kenya’s governance image.
DCI records indicate that the culprits used forged award letters, false contracts, and repeated meetings in official government offices to give the scam a veneer of legitimacy.

How Wash Wash Kings Turned Harambee House into the Center of the Fake Ambulance Scandal
The fake ambulance scandal centers on Talal Yousef Yousef Zaitoun, a Swedish businessman defrauded of Sh60.08 million ($470,750). Investigators allege that Omollo’s aides convinced Zaitoun that he could secure a government tender for 500 high-roof diesel Toyota Hiace ambulances spanning the 2025/2026 and 2026/2027 financial years.
Investigators say the suspects held multiple meetings inside Harambee House to make the deal appear official. Authorities charged Michael Musyoki Ngumbi, a key suspect, with forging award letters and contracts claiming to come from the Ministry of Interior. Although the court arraigned eight minor suspects on March 17, 2026, Omollo and Chesang—the alleged masterminds—remain free, using their influence to shield themselves from immediate prosecution.
Officials and whistle-blowers say Omollo’s actions at Harambee House represent abuse of office and betrayal of public trust. The PS’s office, more than just a bureaucratic hub, commands access to government resources, and its exploitation for personal gain marks a troubling precedent for Kenya’s political class.
Raymond Omollo’s Trail of Scandals
Raymond Omollo’s controversial rise to power began at the Lake Basin Development Authority (LBDA), where he served as CEO. In 2020, he faced accusations of pocketing over Ksh100 million earmarked for retrenched employees, manipulating out-of-court settlements, and illegally barring employees who resisted his schemes.
Investigations at LBDA revealed that Omollo instructed his legal officers to compile fraudulent lists of retrenched employees to facilitate settlements that disproportionately benefited insiders. Several employees either received only partial payments or none at all, while whistle-blowers were threatened with dire consequences. Courts later found procedural violations, yet Omollo retained his political clout due to his proximity to President William Ruto.
At Harambee House, Omollo reportedly replicated the same modus operandi. The fake ambulance tender bears striking similarities to his LBDA scandals, pointing to a consistent pattern of exploiting institutional authority for personal enrichment.
Allan Chesang’s Network of Corruption
Senator Allan Chesang, a close ally of President Ruto, has a documented history of involvement in high-profile scams. In 2023, DCI linked him to a Ksh23 million gold fraud syndicate, which defrauded a South African national through an international criminal network spanning Kenya, Sierra Leone, and DR Congo. Chesang was also implicated in a 2022 scandal involving the fraudulent acquisition of 2,800 HP laptops worth Ksh180 million from Makidu Motors Limited.
Court documents reveal Chesang and six others used fake tender documents under the Office of the Deputy President’s name to obtain the laptops, facing multiple charges including conspiracy to defraud, making unauthorized documents, and obtaining goods by false pretenses. Despite the weight of evidence, Chesang has repeatedly dismissed claims as politically motivated attacks, continuing to enjoy impunity through political alliances.
Sources close to investigators say Chesang’s involvement in Harambee House deals appears to be an extension of his established network of fraud, often leveraging his legislative influence and connections in the executive branch.

The Mechanics of the Wash Wash Scheme
Ps Raymond Omollo and Senator Allan Chesang employ a three-tiered strategy to execute these scams:
- Fabrication of Official Documents: Forged contracts and award letters are used to create the illusion of legal procurement. In the ambulance tender case, Ngumbi produced documents allegedly signed by Ministry of Interior officials to convince the victim of the deal’s authenticity.
- Manipulation of State Offices: Both Omollo and Chesang exploit access to Harambee House and other government offices to lend credibility to fraudulent deals. Meetings with investors are held in official chambers, providing the impression of legitimacy while masking criminal intent.
- Network of Complicit Intermediaries: From legal officers to private brokers and contractors, the suspects use a coordinated ring to funnel funds and obscure accountability. Whistle-blowers within the system have been the only source of exposure, risking retaliation to alert authorities.
Investigators warn that such schemes not only defraud investors but also damage Kenya’s investment climate and erode public trust in government institutions.
Legal Proceedings and Future Outlook
Legal experts argue that holding high-ranking officials accountable is critical to deterring further abuse. With the fake ambulance scandal now public, pressure is mounting on the Directorate of Criminal Investigations and the Ethics and Anti-Corruption Commission to pursue the masterminds without fear or favor.
Observers note that the ‘Wash Wash Kings’ epithet is likely to stick if investigations proceed transparently. Omollo and Chesang’s established networks of influence and prior scandals highlight systemic vulnerabilities, underscoring the urgent need for institutional reform and political accountability.
Whistle-blowers Step Forward
Aided by courageous insiders, investigators have pieced together evidence of meetings, forged contracts, and financial transfers. One aide at Harambee House leaked crucial information, sparking the DCI probe that exposed the Sh60.08 million scam.
Experts say protecting whistle-blowers is essential to dismantling entrenched corruption networks. Without such protections, insiders may hesitate to report fraudulent schemes, allowing influential figures like Omollo and Chesang to operate with impunity.
Wrapping Up
The emergence of Interior PS Raymond Omollo and Senator Allan Chesang as the country’s new Wash Wash Kings signals a dangerous pattern of institutional exploitation. From LBDA to Harambee House, the duo’s alleged involvement in multi-million shilling scams exposes systemic weaknesses and challenges the integrity of Kenya’s procurement processes.
As the legal battle unfolds, the public and international investors alike will watch closely. The outcome will test the resolve of Kenya’s investigative agencies, judicial system, and political leadership in holding powerful figures accountable.












