The first-time legislator, who had earlier grabbed attention by travelling to Parliament aboard a public matatu for his swearing-in ceremony, was greeted with a warm welcome from DCP legislators.
The Police Reforms Working Group has called on the DCI and IPOA to investigate and arrest those behind violence and voter intimidation during the Ol-Kalou by-election.
The legislators walked through Parliament together toward the chamber, raising a single index finger to acknowledge colleagues and supporters with the 'one term' gesture.
ODM Party leader Oburu Oginga has maintained that the broad-based Government is still a formidable force to reckon with despite the Ol-Kalou by-election loss.
Kenya Kwanza leaders have intensified calls for President William Ruto to pick a running mate from Western Kenya.
The police deployment in Ol Kalou by-election was as large as the number of registered voters after IEBC threatened to cancel the poll over widespread violence.