Nairobi CID boss Ireri Kamwende said the businessman was driving from his bar at around 9.30pm when he was shot by gunmen who escaped on a motorbike.
His car had about 10 bullets holes.
The 42-year-old who ventured into business after studying at the University of Nairobi has been vocal on political issues and severally bashed the government.
He will be remembered for claiming his mining license was revoked after he allegedly declined to pay a bribe demanded by Mining Cabinet Secretary Najib Balala .
Balala termed the allegations as malicious.
The businessman also refused to apologise to Supreme Court judge Njoki Ndung’u for claiming she received money alongside Justice Philip Tunoi. Ndung’u refuted the claims.
