Douglas Hales' defense questions RCMP's undercover operation

The defense at Douglas Hales' first degree murder trial is questioning the RCMP's undercover setup.

Six years ago, Hales thought he was being recruited into working for acriminal organization. Instead he was the prime suspectof a murder investigation into the death of Daleen Bosse. Hales'defense lawyer noted hewas unemployed and eager to make moneyto support his infant son.

After three months Hales led undercover officers to Daleen Bosse's body on the outskirts of Saskatoon.

Tough day for Bosse family

Hales took undercover officers to a secluded rural spot north of Saskatoon where hesays that he choked, burned and buriedBossein 2004.

The journey is captured on an audio tape played yesterday in court at his first-degree murder trial.

Officers returned to the scene later andrecoveredBosse'sbody.

Friends and family of Daleen Bosse broke down and wept openly in court yesterday as Hales described the young mother's last moments.

Hales took two undercover RCMP officers to a party spot near Martensvillewhere he tried to have sex with Bosse. But it didn't work out.

"All the anger, all theways people effed around with me," he's heard saying on the tape.

"It was all bottled up inside ... I figured I would sacrifice her."

Hales is then heard telling the officers he burned Bosse's body. Then he returned a few months later. and could not locate her remains.

His first-degree murder trial continues all week.

CBC's JenniferQuesnel is covering the story. Follow hertweets live from the courtroom.