Deputy President William Ruto (right) with John Chesang, the father of Kipyegon Kenei, during the departed officer's funeral service at Chemasis in Rongai, Nakuru County. [File]
The Directorate of Criminal Investigations (DCI) has asked the Federal Bureau of Investigations (FBI) in Nairobi to join investigations into the murder of a police officer attached to the office of the deputy president.