Guntila Muleya, the head of Zambia's broadcasting regulator was abducted and murdered, with his killing linked to corrupt colleagues who allegedly paid for him to be murdered.
Guntila Muleya's body was found in the outskirts of the country's capital Lusaka, local media reported.
Zambia police are investigating the abduction and brutal murder of Guntila Muleya who was appointed as the director-general of Zambia's Independent Broadcasting Authority (IBA) in May.
Guntila Muleya was abducted on Tuesday in Lusaka after leaving work at the end of the day.
His family alerted the police after he failed to return home. According to the BBC, two bullet cartridges were found at the murder scene at Palabana NAPSA Housing in Njolwe where Guntila Muleya's body was found with gunshot wounds to his back and head.
The IBA in a statement says it is "deeply saddened" by the murder.
Thabo Kawana, secretary of Zambia's information ministry, in a statement said "I want to assure the nation on this sad development that the people involved in this gruesome murder of the IBA director-general will be brought to book".
Rae Hamoonga, police spokesperson, said that four suspects - under which two police officers and a reservist police officer - have been arrested by the police in connection with the murder.
The police also seized two vehicles, Guntila Muleya's Pajero three guns - a an AK-47 rifle and two pistols - as well as cash, multiple knives and electronic gadgets.
The killer is allegedly a Zambia police officer who works at the Scorpion Squad of Lusaka's Central Police and is related to a prominent lawyer, according to reports. The other police officer works at Chelstone police station.
Previously Guntila Muleya was the general manager of MultiChoice Zambia.
The Lusaka Times reports that Guntila Muleya's murder is an IBA inside job by corrupt colleagues who were unhappy and scared over his anti-corruption efforts.
The newspaper quotes a source, saying "Upon his appointment, he instituted corruption investigations in the IBA and some people were not happy. They hired someone to abduct him and break his legs so that he would go on a long sick leave".
The killers were allegedly paid K100 000 (R70 000) each. One of the suspects who hired the murderers has reportedly already fled Zambia.