Questions mount over collapse of trial of teacher and parliamentary researcher accused of spying for China. <strong>Dan Sabbagh</strong> reports. Help support our independent journalism at <a href="https://www.theguardian.com/infocus">theguardian.com/infocus</a>

Questions mount over collapse of trial of teacher and parliamentary researcher accused of spying for China. Dan Sabbagh reports. Help support our independent journalism at theguardian.com/infocus

Questions mount over collapse of trial of teacher and parliamentary researcher accused of spying for China. <strong>Dan Sabbagh</strong> reports. Help support our independent journalism at <a href="https://www.theguardian.com/infocus" rel="noopener noreferrer">theguardian.com/infocus</a>

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Inside the mystery of the collapsed Chinese spy trial - Today in Focus

Inside the mystery of the collapsed Chinese spy trial - Today in Focus