The secrets of ‘God’s influencer’

In a medieval church built of white stone, pilgrims and tourists shuffle past the body of a 15-year-old boy in a tomb with a glass side. The boy is handsome, with dark curly hair, and wears a blue tracksuit top, jeans and Nike trainers. Everyone peers through the glass and some realise, with a start, that the perfectly preserved face and hands are eerily lifelike silicone.