A police officer based at Ruiru police station and three others were arrested by detectives from the Directorate of Criminal Investigations (DCI).

In a statement on Wednesday, December 9, 2020, DCI said the four suspects had stolen over Ksh5 million from a businessman.

"A police officer based at Ruiru police station and three Mitsumi Business Park workers have been arrested by detectives based at Parklands following a robbery with violence incident where they robbed an accountant 50,000 USD," the DCI's statement read.

"Armed with pistols, the four, together with others who are being sought accosted the accountant while inside a lift as she was heading to deposit the cash in the bank," it continued.

The DCI retrieved over Ksh1 million from a suspect identified as Albert Ochola, in Huruma estate.

Ochola is a plumber in Mitsumi Business Park.

"12,300 USD was also recovered from Walter Kiverenge's house at Kawagware. The staff supervisor had concealed the cash inside a water dispenser," the DCI said.

"Also in custody is another suspect; Bernard Ogutu Oketch in whose residence in Mathare area one, 10,000 USD, a brand new TV and two mobile phones were recovered," the agency added.