Article 153, (2) of the Constitution of Kenya, 2010 clearly states that Cabinet Secretaries are accountable individually, and collectively, to the President for the exercise of their powers and performance of their functions. And that clearly states why Devolution CS Waiguru cannot run away from responsibility of the graft in her docket.
In as much article 155 (2) puts the administration of state departments under the Principal Secretaries, it is the duty of the CS to be not only responsible but also accountable for all the functions of their offices.