The 2019 crash left 32 Kenyans dead.
The flashy matatu has set tongues wagging.
The commissioners set off a clock immediately they were sworn-in.
The suspects had used a motorbike to escape after the incident.
The officers will be deployed this week.
Gachagua is on a two-month trip to the United States.
The MP has been directed to appear before the detectives on Monday.
Straight roads can lull drivers into a false sense of security.
Nairobi County Chief Officer for Environment, Geoffrey Mosiria, has issued a stern warning to hawkers who exploit others by taking extra spaces, stressing
Two of them have already been charged in court.