New charges have been laid against the former police officer accused of murdering two men including his former love interest.
Beaumont Lamarre-Condon remains in custody charged with the murders of Qantas flight attendant Luke Davies, 29, and TV presenter Jessie Baird, 26.
The 29-year-old then-senior constable allegedly shot the men with his NSW Police service weapon at Mr Baird's inner-city Paddington home on February 19 while he was off-duty.
NSW Police on Tuesday revealed three new charges have been added against Lamarre-Condon, including two counts of domestic violence-related murder and one count of break and enter with intent to commit an indictable offence.
Lamarre-Condon was hit with the fresh charges on July 18, police said in a statement on Tuesday.
Police allege the attack was premeditated after a months-long campaign of "predatory behaviour" targeting Mr Baird, whom he briefly dated.
A triple-zero call was made from Mr Davies' mobile phone four minutes after neighbours heard gunshots at the Paddington house.
A patrol car was later sent searching for the source of the call, which was disconnected before anyone spoke.
But officers were unable to locate the user and did not attend Mr Baird's house at the time.
The couple's bodies were not located until February 27, when they were found inside surfboard bags at the fence line of a rural property in Bungonia near Goulburn, about 200km southwest of Sydney.
Suspicion that they were dead was sparked after possessions belonging to the men were found in a skip bin in the southern Sydney suburb of Cronulla, leading police to Mr Baird's blood-smeared share house.
Lamarre-Condon joined the NSW Police Force in 2019 and previously ran a celebrity blog, posing in photos with dozens of A-listers including Taylor Swift, Selena Gomez, Katy Perry, Miley Cyrus and Harry Styles.
He was sacked from the force in mid-March.
The matter will return to court on August 13.
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