Mr Lamarre-Condon, 31, has pleaded not guilty to two counts of murder and is claiming self-defence during a three-month trial in the NSW Supreme Court. He is accused of shooting Mr Baird and Mr Davies with his police pistol in Mr Baird's Paddington share house in Sydney's east on February 19, 2024.
The bodies of the pair were found near a monastery at Bungonia, south of Sydney, in surfboard bags eight days later. Jurors have also heard Mr Lamarre-Condon is alleged to have initially attempted to sink the bodies at a farm about a 15-minute drive away, using quick-set cement and weights.
On Wednesday the jury heard that Mr Lamarre-Condon matched with a man on the dating app Hinge in March 2023 whose family owned the hobby farm. In a witness statement read to the court, the man said he knew Mr Lamarre-Condon for about nine months after the accused told him to follow him on Instagram.
In September 2023, Mr Lamarre-Condon contacted the man and asked to catch up next time he was in Sydney. The court heard they met for coffee in Glebe and later saw each other again at Westfield Bondi Junction. They saw two movies together, including the Taylor Swift movie, during four or five subsequent catch-ups. In November 2023, Mr Lamarre-Condon invited the witness on a trip to an off-grid cabin, the court was told.