Beau Lamarre-Condon has rejected the suggestion he "executed" his former partner and deliberately shot the television presenter's new boyfriend, during at times tense exchanges with the Crown prosecutor in his double murder trial.
Mr Lamarre-Condon has been in the witness box since Thursday, and is about seven weeks into his trial in the NSW Supreme Court in Sydney.
He is accused of stalking Jesse Baird before allegedly using his police-issued pistol to shoot him and Luke Davies in a Paddington share house on February 19, 2024.
He has pleaded not guilty to all charges and has argued he acted in self-defence.
The former police officer has told the court he intentionally shot Mr Baird once after he was startled by Mr Lamarre Condon, who said he had been trying to retrieve his belongings after their casual romance ended.
He had been wearing a motorcycle helmet at the time, with Mr Lamarre-Condon saying he had wanted to get his things without being recognised.
Last week he said Mr Baird had "lunged" at him with a knife, defending his decision to fire the first shot at his ex partner in an attempt to disarm him.
'You executed him'
During cross-examination, prosecutor Brett Hatfield SC on Monday put to Mr Lamarre-Condon that he had intended to kill Mr Baird.
"You executed him with that second shot," Mr Hatfield said.
"I never executed Jesse Baird," Mr Lamarre-Condon replied.
The court was played a recording of the Triple Zero (000) call the 31-year-old said he made with the intention of getting Mr Baird medical help.
But he said he was discovered by Mr Davies, who Mr Lamarre-Condon said was holding his police pistol, which had been flung into a hallway in scuffle, and yelling at him to "f*** off".
A struggle over the gun ensued, according to Mr Lamarre-Condon's evidence, with the accused maintaining his finger was not on the trigger when the pistol discharged and Mr Davies was shot.
Mr Hatfield later pressed Mr Lamarre-Condon about the helmet, jacket and gloves he said he took from a food delivery worker's motorbike before entering the Paddington house.
The former police officer said he decided to use the clothes to disguise his identity to avoid a confrontation with Mr Baird and a report of harassment being made against him.
"I wasn't intending on stealing it I was intending to put it straight back," he said.
Mr Hatfield put to Mr Lamarre-Condon that he purchased the helmet and other items before deciding to put his "plan to assassinate Jesse Baird into action".
'I was emotional'
He did not raise his voice under cross-examination but appeared to grow frustrated at times, and at one point accused Mr Hatfield of "putting words in [his] mouth".
At another point, Mr Lamarre-Condon appeared to chuckle when the court was shown CCTV footage of him twice relieving himself near his car in the hours before he entered the Paddington home.
While waiting to make sure no-one was home, he said he "pissed in a water bottle".
"I really needed to go toilet," he said.
He was quizzed about footage that appeared to show him laughing at a sushi train restaurant the day after the shootings.
"You were remarkably relaxed," Mr Hatfield said.
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Mr Lamarre-Condon maintained he was "detached" from the incident.
'You were homicidal'
In his evidence in chief, Mr Lamarre-Condon said he experienced poor mental health related to bullying by some NSW Police officers.
He told the court he had planned and attempted suicide in October 2023, saying his mother forced him to visit a doctor and psychiatrist as a result.
Mr Hatfield put to Mr Lamarre-Condon that the suicide attempt did not occur.
"You're trying to get sympathy for these claims."
Mr Lamarre-Condon became emotional as he rejected the suggestions.
"This is the real life I was living at the time unfortunately," he said.
Tense scenes
He was questioned at length about a conversation he had with a friend in December 2025 in which he discussed what happened inside the Paddington property.
Mr Hatfield put to Mr Lamarre-Condon said he did so with the intention of influencing what the other man would later tell the trial in evidence.
This led to a number of tense exchanges in court.
"Not once have I said to lie … I just want the truth to be told," Mr Lamarre-Condon said.
"Stop making speeches, would you?" Mr Hatfield said.
Mr Lamarre-Condon was expected to continue to give evidence on Tuesday.
