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You are here: Home / Cold Case News / Trial in 1999 Marianne Vaatstra murder

Trial in 1999 Marianne Vaatstra murder

January 24, 2013 By Alice

Marianne VaatstraJasper S. will be brought to court to stand trial for the 1999 murder of Marianne Vaatstra. The trial date is set for February 27, 2013.

Marianne Vaatstra was sixteen years old when she was found raped and murdered. On September 29, 2012, police in the Netherlands began a “DNA relationship testing” in a 5 km radius of the crime scene of approx. 8,000 men. In this study, on a voluntary basis, Dutch police studied whether there were people who had a similar chromosomal Y-DNA profile as that of the perpetrator. If so, they could try to find a match with familial DNA to trace the killer. They look for people with the same characteristics, filter the pool of people based on criminal records, add surveillance, eliminate people or zoom in on people, etc.

On November 19,  2012, police announced it had found a match. Jasper S. was arrested. He did not immediately talk to police but within 10 minutes of meeting his lawyer, he told him the truth. To be continued. Hat tip to Clouseau for keeping me posted on this case.

UPDATE: In 1999, Marianne Vaatstra was found raped-murdered in the Netherlands. Police arrested many and even held a large scale DNA search but, the perpetrator was never found. On September 29, 2012, police began a “DNA relationship testing” in a 5 km radius of the crime scene of approx. 8,000 men. In this study, on a voluntary basis, police studied whether there were people who had a similar chromosomal Y-DNA profile as that of the perpetrator. On November 19, 2012, police announced a match. Jasper S. confessed. On April 19, 2013 he was sentenced to 18 years in prison.

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Filed Under: Cold Case News, Forensics Tagged With: Jasper S., Knife Attack, Marianne vaatstra, Police, Rape kits, the Netherlands

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Author Notes

On this website, I write about old, unsolved cases. Most are from the pre-DNA era and are in need of renewed media attention. I only do research and leave the active investigation of these cases to the professionals.

My posts are about homicides, missing and unidentified people, wrongful convictions, and forensics as related to these cases.

On book reviews: I only review select works of true crime, crime fiction, and historical fiction/mysteries. The stories have to fit my website's theme and research. It remains my prerogative to not review a book.

My database has over 325 cases listed by the victim’s last name. You will find a brief description there as well. The database will always be free to the public to use. You cannot buy ad space on my website, ever.

All writing suggestions that come in by email are added to my to-do list in the order in which they were received. Please be patient. My to-do list is very long but no case gets dropped and I will get back in touch.

Defrosting Cold Cases is NOT an organization. It is my brainchild.

If you have any questions about my website please check the Frequently Asked Questions (FAQ) page, the about page, and the tabs in both menu bars. If you still cannot find the answer there, please contact me.

Thank you,

Alice de Sturler

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If you use my work, please add a link back. Let your readers know where you found your information. I do the same for you. Thank you!

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Copyright: Please add a link back if you use my work. Let your readers know where you found your information. I do the same for you. If you need help with this, just contact me. Thank you, Alice de Sturler

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