The Kenya police as constituted & run is a private militia devoted to serving the political elite & their associates.
For that they are free to set up toll stations (which they call “roadblocks”) to shake down motorists for money, sexually harrass women & facilitate drug trading
Every individual policeman is infallible & above the law as long as he meets his bribe collection quarter.
This money is distributed evenly along the ranks with junior officers taking a tiny cut. The cut increases progressively as it advances to higher ranks.
The police make no effort to hide the Mafia like racketeering as evidenced by their use of mobile electronic money transfer systems.
The investigators have stumbled on this electronic evidence but gone ahead to completely ignore it. The reason is: the trail may reach “too high”