Former Deputy Commissioner of Police Mark Shields took the witness stand Thursday at the trial of the three policemen accused of the 2004 murder of Kemar Walters and Oliver Duncan.
Mr Shields who was the senior cop who spearheaded the investigation of the abduction and murder of Walters and Duncan made it clear that no promise or threat was made to the key witness to blow the whistle on his colleagues.
Assistant Superintendent Victor Barrett and Corporals Paul Edwards and Louis Lynch are the cops on trial.
The two men were arrested by members of the Organised Crime Investigation Division (OCID) at the Washington Boulevard Plaza in 2004.
They have not been seen since.
Mr Shields said in January 2005, he was in Jamaica working with the British Metropolitan Police when Police Commissioner Francis Forbes requested that he assist the local police in investigating the disappearance of Walters and Duncan.
He said on January 13, 2005, he met with members of the Criminal Investigation Branch, CIB.
He said he spoke with the head of the CIB at the time; Senior Superintendent Calvin Benjamin, and recommended that he and his team secure all mobile telephone numbers and call data relating to Walters and Duncan and anybody else suspected to be linked to the case.
The matter went cold from 2005 to 2008.
However, Mr Shields said in early 2008, he instructed the police to reopen the investigation.
He added that he also requested an independent review of the case.
The defence had strongly objected to Mr Shields giving any testimony on the findings of the independent review.
During his testimony, Mr Shields said in May 2009, he recorded a statement from the main witness in the case; a former member of OCID.
He told the court that he taped the statement in order to remove any doubt about its integrity.
He said the witness wasn't threatened or offered any promise to give the statement.
The statement later led to the arrests of the three policemen.
The witness who testified at the trial said the men were killed by his colleagues after they were held in possession of a stolen motor vehicle.
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