The jury in the Natalie McNally murder trial has been shown a purported YouTube live stream conducted by the accused, which prosecutors say was pre-recorded. They said Stephen McCullagh, 36, initially "peddled the live stream as an alibi" but the court heard he later admitted to police that it had been pre-recorded days before. McCullagh, from Woodland Gardens in Lisburn, County Antrim, has denied murdering the 32-year-old. She was 15 weeks pregnant with a baby boy when she died at her home in Lurgan, County Armagh, in December 2022. Before the video was played to the jury, prosecution barrister Charles MacCreanor KC said "let's play the live stream or so called live stream" to the jury. McCullagh wore a Santa hat and drank alcohol throughout the stream. He is heard saying that he "couldn't check the live chat" and asked the followers to "chat amongst" themselves.…