Koos Hertogs
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16 December 1949
Koos Hertogs | |
|---|---|
 Koos Hertogs | |
| Born | Jacobus Dirk Hertogs 16 December 1949 |
| Died | 19 July 2015 (aged 65) 's-Hertogenbosch, Netherlands |
| Criminal penalty | Life imprisonment |
| Details | |
| Victims | 3 |
Span of crimes | 1979–1980 |
| Country | Netherlands |
Date apprehended | 3 October 1980 |
Jacobus Dirk (Koos) Hertogs (The Hague, 16 December 1949 – 's-Hertogenbosch, 19 July 2015) was a convicted Dutch serial killer. He was convicted of a total of three murders.
- Tialda Visser, 12 years old, was reported missing on 11 May 1979, after she didn't return home after ballet classes at the Royal Conservatory of The Hague. Four days later, on 15 May, her lifeless body was found near the Leeghwaterbrug in The Hague. The cause of death could not be determined.
- Emy den Boer, 18 years old, disappeared on 3 April 1980. She left her home in Schiedam to go to the Academie voor Lichamelijke Opvoeding in The Hague, however she never got there. Two days later, on 5 April, her body was found by a hiker in the forest near Nistelrode. She was shot in the stomach and head.
- Edith Post, 11 years old, disappeared while at school on 29 September 1980. She left her class to get some materials from a closet in the hallway but didn't return. On 2 October her body was found in the dunes of Wassenaar. She was beaten to death, probably with a branch that was found next to her body.
Private life
Hertogs was in a homosexual relationship with Cornelis Stolk, Vice President of the court in The Hague.
Arrest
After the murder on Edith Post, the police received an anonymous call with the information that Edith had bitten her murderer, and a bouncer of nightclub "De Nachtegaal" (The Nightingale) had a severe bite wound on his little finger. The bouncer, who was subsequently arrested, turned out to be Koos Hertogs. Police searched his house and found traces of blood matched to Tialda Visser and Emy den Boer. In the attic, police found an insulated room. It is believed that Hertogs hid and raped his victims here for a period of time, before killing them. Hertogs was sentenced to life imprisonment. Until 1989 Hertogs denied killing the girls. However, after consultation with his lawyer, he confessed so he could be placed on a lighter regime.