Hans and Greta seemed like the perfect tenants — kind, responsible, and full of fascinating stories from their life in the Netherlands.But when they suddenly left, their hasty departure and strange behavior left me wondering what they were hiding in the apartment.Hans and Greta seemed like the perfect tenants — kind, responsible, and full of fascinating stories from their life in the Netherlands. But when they suddenly left, their hasty departure and strange behavior left me wondering what they were hiding in the apartment….