According to a reports, the correspondent identified as Eric Oloo was found with deep stab wounds.
The reporter worked as a correspondent of The Star and was based in Siaya County, in Kenya.
The police officer, a female chief inspector of police, Sabina Kerubo, in Ugunja, went missing following the incident.
She was later found drinking in a chang’aa den and arrested.
Ms. Kerubo is said to have been cohabiting with Mr. Oloo.
Ugunja sub-county police commander Ibrahim Muchuma said the body was taken to Ambira sub-county hospital mortuary but did not give details.
Siaya County police commander Francis Kooli told the Nation that the journalist and the policewoman were in a love affair, but did not elaborate.
A police officer, who sought anonymity for lack of authority to speak to the media, said Mr Oloo was in the house with two other men on Wednesday night.
A scuffle ensued while they were there, he added. Police arrested one of the men and took him to Ugunja for questioning.
Mr Oloo’s mother, Keziah Oloo, and cousin Crispin Odhiambo said on Thursday that he had been living with the officer since 2018.