A dispute over whether a young woman who threw a chair off a downtown Toronto highrise balcony posted the video to social media has delayed her criminal case, upsetting the presiding judge. Marcella Zoia, 20, pleaded guilty to mischief causing danger to life in November and her sentencing hearing was to take place Tuesday. But Zoia took issue with the Crown's pre-sentence report that said she posted the video to social media. The clip went viral last February, kicking off a police probe to identify the chair thrower and prompting Zoia to turn herself in several days later.