Black vomit? Aliens? When British conspiracy theorist Max Spiers died suddenly in Poland in July 2016 the case was immediately shrouded in mystery. Just before his death he asked his mum to investigate should anything happen to him. So little is known about how or why he died that the gaps have quickly been filled by fantastical theories. India Rakusen heads to Poland to try to find the answers his family are desperately waiting for.

• BBC
• India Rakusen