Today, DCI George Kinoti release CCTV footage of former sports CS Richard Echesa walking into Deputy William Ruto's office.

Kinoti also demonstrated how a sergeant Kipyegon Kenei who was attached to the office at Harambee Annex House was brutally murdered.

Addressing the press at the DCI headquarters, Kinoti graphically explained how sergent Kenei was murdered.

Kinoti has branded it a "cold blooded murder".

According to the postmortem results, Kenei died from a single contact gunshot wound.

The postmortem showed that Kenei died a day or two before he was discovered.

The results revealed the body had no marks of struggle by the officer.

No other wound except the bullet entry one under the chin and its point of exit at the forehead.

Check out the photos.