Ten people believed to have come into contact with the late Joseph Nkaissery on Friday have been questioned by the police.
The waiters and guards at Bomas of Kenya were questioned by homicide detectives.
The detectives zeroed in on the Bomas of Kenya after it emerged Nkaissery was a regular at the establishment.
Those questioned could have served him food and drinks, as the police opened a probe to establish or eliminate foul play.
According to the Star, Nkaissery enjoyed the services of a special meeting room where he would meet friends and be served meals and drinks.
Investigations indicate on the fateful day, Nkaissery arrived at Bomas around 7pm and proceeded to his “reserved ” room.
He left at around 8.45pm, after meeting with an ally retired KDF Colonel Francis Mugambi and National Land Commission chairman Mohammed Swazuri.
Mugambi had been with the CS for close to two hours and enjoyed glasses of wine. Mugambi left the CS at Bomas.
The CS had indicated that he wanted to be home early in time for the 9 o’clock news, a source close to the probe revealed.
The late retired Major General is said to have complained of chest pains and then collapsed.
He was rushed to Karen Hospital where he was pronounced dead.
The postmortem will take place today to determine what really killed the Major General.
Burial arrangements are also taking place in his home in Kajiado.
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