I hope the cameras were working MOMENTS after he was told his fiancee had fallen to her death, Simon Gittany said to a police officer: "I hope the cameras were working," his murder trial heard yesterday. But the Supreme Court was told yesterday the cameras Gittany installed to record inside their unit weren't working, and no device captured the 69 seconds between Gittany dragging Lisa Harnum inside and her fatal fall on July 30, 2011. Simon Gittany with his girlfriend friend entering Darlinghurst Court. Gittany, 39, has pleaded not guilty to murdering his Canadian-born partner and maintains she stepped over the railing of their 15th storey apartment in a boutique CBD building and lost her footing. The court heard the pair had been arguing in the days before Ms Harnum's death, so much so the former ballerina organised for a storage unit in nearby Bondi Junction where she left a large bag of clothes. Gittany had installed three cameras to record inside their apartment and in the hallway. Sergeant Brett Wall told the court yesterday at least one of the cameras "wasn't visible to the naked eye" and that he and another officer detected a small, concealed camera "in a small frayed area" of the wall. Sgt Wall said Gittany had asked the building's concierge for a drink of water after asking officers: "Is she dead?" in the minutes after the fatal fall. "Baby, baby, baby I can't believe it," Sgt Wall recalled Gittany as saying. Her mum is going to be devastated . . . they were talking online yesterday and laughing. It (was) almost like she knew it would be the last time. Like God knew. The court heard Gittany then said to police: "I hope the cameras were working" and stressed he'd tried to "hold" his partner after she climbed over the railing. Detective Senior Constable Jacob Rex said Gittany told him the couple had been arguing in the lead-up to her death. "We'd just worked out it was better for her to go home to Canada," Gittany was noted as saying. I woke up (that) morning and she was packing her bags. I said to her: 'Let's not break up.' She always wants me to beg when she gets the upper hand. The court heard Gittany said he'd "stopped her" leaving the apartment and said "shut the f... up" when she "raised her voice." I saw her step over the railing (of the balcony) on to the little cliff face . . . I was grabbing her (and) she was gone. The trial continues today. Accused Simon Gittany proposes to balcony fall victim Lisa Harnum