A witness in the inquest into Oupa Ramogibe's murder on Wednesday testified that she saw three uniformed policemen fleeing the scene where the Vosloorus man was shot dead in February 1999.
Mary Lokaje was giving evidence in the Boksburg Magistrate’s Court.
Former crime intelligence head Richard Mdluli and three subordinates were charged with the crime.
They were also accused of, among others, intimidation, kidnapping and conspiracy to commit murder but the charges were controversially withdrawn in February, pending the outcome of the inquiry.
Lokaje told the inquest she heard several gunshots in the street outside her home and saw three uniformed policemen fleeing the scene when she went to investigate the noise.
Lokaje, a former police officer, said Ramogibe's lifeless body came to rest against her garden wall.
But on Tuesday, Ntsatho Ditsego testified that she saw four gunmen overpower Sergeant Samuel Dlomo, who had taken Ramogibe to the area to investigate an earlier attempt on his life.
The gang allegedly stole his service pistol and shot Ramogibe with it.
Ditsego did not see who shot Ramogibe or policemen fleeing the scene, but Dlomo is expected to take the stand later to shed more light on the incident.
Dlomo, Colonel Nkosana Sebastian Ximba and Lieutenant Colonel Mtunzi-Omhle Mthembeni Mtunzi are the subordinates whom were charged with the crime.
They worked under Mdluli during the period he led the detective branch at the Vosloorus Police Station.