A 13-year-old boy has been refused bail after allegedly planning a mass attack on Albert State School in Queensland, with court documents revealing disturbing details of his plot.Court documents show the teenager allegedly told police he had “wanted to kill people for months” and experienced “an adrenaline rush from watching people fear death and killings connected to ideologies”.WATCH THE VIDEO ABOVE: Disturbing new details about teen’s alleged murder plotKnow the news with the 7NEWS app: Download today ArrowThe boy was allegedly inspired by a Russian school stabber and school shootings and had recorded a video of the Christchurch massacre. He...