What were the specific details of Aaltje van der Plaat's murder?
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OpenAI's Answer
The murder of Aaltje van der Plaat is associated with Willem van Eijk, a Dutch serial killer. Willem van Eijk was convicted for the murder of Aaltje and another woman named Cora. In 1975, he was sentenced to 18 years of imprisonment along with TBS (a Dutch measure for the involuntary commitment of individuals deemed dangerous due to mental illness) for these crimes. However, specific details about the circumstances of Aaltje van der Plaat's murder are not extensively documented in the available sources.
For more information, you can refer to the Wikipedia page on Willem van Eijk: Willem van Eijk - Wikipedia and the Murderpedia entry: Willem van Eijk | Murderpedia.