Born in 1963 and died in 2020, documentary maker Jaap van Hoewijk was known for documentaries such as Killing Time, Kleine Delicten and Piet is Weg. Van Hoewijk not only became known as a director, but also worked as a researcher, producer and screenwriter.

Many of Jaap van Hoewijk's documentaries have been about unsolved cases and mortality from the start of his career. For his debut film Procedure 769 (1995), he spoke to witnesses to the execution of murderer Robert Alton Harris.

In the documentary Family Secret (2001) he investigated the cause of death of his own father, whom he had thought for twenty-three years had died in an accident. Killing Time (2013) works towards an execution in Texas. And his latest film, Piet is gone (2017), is about the unsolved disappearance of Piet Beentjes, who was last seen on April 26, 1987 when he boarded the ferry to Texel.