The CS was forced to respond to concerns by sections of law enforcers.
Nyoro has increasingly become a government critic since he was removed as chair of the powerful Budget Committee.
The foreigner is among several others accused of running the trafficking ring.
This comes a month after a Senator branded the security system of the airport as 'incompetent'.
The authority also apologised for the inconvenience caused.
The OCS was flushed out after the protests.
The documentary revealed how some units outside the police were involved in the shooting of Kenyans.
The MPs were questioning PCS Musalia Mudavadi on the matter.
This comes a day after the Cabinet passed the finance bill during its Tuesday sitting.
The Agriculture Cabinet Secretary, Mutahi Kagwe, has revealed that the Kenya Union of Sugar Plantation and Allied Workers (KUSPAWU) has approved the g
