The 33-year-old marathon runner passed away four days after being doused in petrol and set on fire by her boyfriend.
Her father, Joseph Cheptegei, told reporters at the hospital that he wanted the person who killed his daughter to be prosecuted.
“The criminal who harmed my daughter is a murderer, and I have yet to see what the security officials are doing. He is still free and might even flee”, he said.
Cheptegei’s mother, Agnes, said she blamed the police officers in Endebess where the athlete living, for failing to keep her child’s home safe.
Before the incident, the mother of two and her partner had been heard fighting over the land on which her house lies.
Her parents said she had bought the land in Trans Nzoia county to be near Kenya’s elite athletics training centres.