The publication quoted police spokesperson Colonel Thandi Mbambo, who said police could not have predicted the attack as no weapons were registered to Coenraad Badenhorst's name.
Whilst talking to him on the phone, she heard noises and Mr Nel's phone went dead," police spokesperson Colonel Thandi Mbambo said.
Free State police spokesperson, Colonel Thandi Mbambo, said that around 11pm on Thursday night, Warrant Officer Groenewald from Koffiefontein was on blue light patrol with farmers received a message of a suspicious vehicle at Dassieskop farm in the Koffiefontein district.
He was arrested on Wednesday evening at his residence, Colonel Thandi Mbambo said in a statement.
Earlier, Free State police spokeswoman Colonel Thandi Mbambo said a case of culpable homicide had been opened for further investigation after the crash, which happened at about 3.30pm.
"Cases of culpable homicide have been registered in Villiers for further investigation", said police spokesperson Colonel Thandi Mbambo.
"We are still investigating and following our leads that we unfortunately can't disclose," said Free State police spokesperson Lt-Col Thandi Mbambo on Wednesday.
The police's Thandi Mbambo says at this stage, no one has been arrested for the crime.
However, police spokesperson Colonel Thandi Mbambo said they were investigating a case of murder, following the death of Seipati Lechoano.
Police spokesperson Lieutenant-Colonel Thandi Mbambo said the post-mortem was completed on Thursday.