Kim Walker is on trial for second-degree murder in the shooting death of James Hayward. (Mark Taylor/CBC)

A Saskatchewan father fired 10 shots at his daughter's boyfriend, killing him right in front of the teenage girl, the Crown said in its opening arguments at the man's retrial.

Kim Walker, 54, is charged with second-degree murder in the March 2003 death of James Hayward, 24, in Yorkton.

Hayward was dating Walker's daughter, Jadah, who was 16 at the time.

Prosecutor Robin Ritter told the jury Tuesday that evidence will show Walker went to Hayward's home with a loaded handgun and two loaded clips in reserve.

"Mr. Walker walked in and in the presence of four young people, including his own daughter, he shot and killed James Hayward," said Ritter.

"He emptied 10 shots at Mr. Hayward, hitting him five times. One shot was to Mr. Hayward's back."

The first witness to take the stand was RCMP Sgt. Scott McMurchy, a corporal stationed in Yorkton at the time of the shooting. Court heard that McMurchy was one of the first officers to respond to a call that shots had been fired.

McMurchy said he saw Walker leaving Hayward's home and took him into custody. The officer then entered the house.

"Immediately upon going in the front door, in the front room of the house, there was a male subject and a young girl, a teenage girl cradling that male subject," said McMurchy. "He was obviously deceased."

McMurchy said it was Walker's daughter supporting Hayward's body on the floor.

The officer also said he saw a pistol and magazines for the pistol on a weight bench in the room. Bullets and fragments were subsequently found in the walls and the floor.

McMurchy testified that tests later showed gunshot residue on Walker's hands and face.

McMurchy acknowledged under cross-examination that it would have taken him a minute or so to respond to the call. He said it was possible there might have been time for someone else to leave the scene.

Defence lawyer Balfour Der also asked McMurchy if he knew that Walker had asked police for help to try to get his daughter away from Hayward before the shooting.

"I did learn of that after this date, that there had been some conversation between Mr. Walker and officers at Yorkton detachment," said McMurchy.

"Did you become aware that nobody at the detachment did anything?" asked Der.

"No, I wasn't aware ... what those officers did or didn't do."

The jury is expected to hear from at least 12 witnesses, including Jadah Walker, over the course of the three-week trial.

This is the second time Walker is being tried. The Saskatchewan Court of Appeal ordered a retrial last June after it learned that the judge and lawyers at Walker's first trial had meetings without him.

The Appeal Court said that was "a fatal error" because an accused person must be present for all of his trial.