The two are reported to have executed a fraudulent transaction amounting to Ksh 236,000 before going into hiding in Komarock.
The suspects, identified as 49-year-old Peter Mwendwa Musyoka and his 23-year-old son Dennis Musyoka, were tracked down to their residence in Nyama Villa estate after detectives followed digital trails connected to the scam that took place on September 2, 2025.
During the operation, officers recovered several items believed to have been used in the illegal scheme.
These included multiple SIM cards, identification documents, and paybill and agent numbers from major service providers, as well as electronic gadgets such as laptops and smartphones.
Investigators believe the recovered items were key tools in facilitating the fraudulent activities.
Preliminary findings indicate that the father was the main architect of the fraud, having introduced his son into the illegal trade and gradually mentoring him into conning unsuspecting M-Pesa agents.
The pair is suspected to be part of a larger organised network targeting mobile money businesses across Nairobi and possibly beyond.
Both suspects were taken into custody and are being held as police continue with investigations.
They are expected to be arraigned in court once processing is complete, even as detectives pursue other individuals believed to be linked to the syndicate.
The arrests bring hope to mobile money operators who have in recent months decried rising cases of fraud targeting their businesses.
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