At 11 years old, Alex thought he was going on holiday. Instead, he vanished for six years.

Source: https://www.bbc.co.uk/iplayer/episode/m002w1yy?at_mid=7SCbIJCshY&at_campaign=Kidnapped_by_My_Mum&at_medium=display_ad&at_campaign_type=owned&at_nation=NET&at_audience_id=SS&at_product=iplayer&at_brand=m002w1yy&at_ptr_name=bbc&at_ptr_type=media&at_format=image&at_objective=consumption&at_link_title=Kidnapped_by_My_Mum&at_bbc_team=BBC&at_creation=news