The prequel, Komisario Palmun erehdys (1960), was a huge success, but its producer T.J. Särkkä forgot to reserve the filming rights of Mika Waltari's other Palmu-novel "Kuka murhasi rouva Skrofin". Mauno Mäkelä bought the rights and Kaasua, komisario Palmu (1961) was filmed under Fennada-Filmi.