Slain Rongo University student Sharon Otieno had revealed her relationship with Governor Okoth Obado to the first family, reports the Nation.
In statement at DCI offices in Kisumu, Obado admitted having been Sharon's lover and the subsequent pregnancy.
But messages retrieved by detectives however, indicates that Ms. Otieno had forwarded her chats with the Governor to his wife, Helen Obado and son, Daniel Obado.
The messages exposes the governor's promise to buy her land and a house.
While Ms. Otieno had suggested Nairobi, Obado had however rejected the offer and instead proposed Rongo.
It is however not clear when the promises were to be fulfilled and why the slain student decided to forward the messages to Obado's kin.
The governor's PA remains in police custody as detectives intensify investigations to the mysterious murder.