dr. B. Kokshoorn (Bas)
Professor Forensic Trace Dynamics
Email:
- b.kokshoorn@hva.nl
Work address:
Bas Kokshoorn researches the interpretation of forensic evidence, and specifically the question of what trace evidence can tell us about the actions of people who left these traces. He is involved in national and international research projects in which questions from forensic practice are always paramount.
Bas received his PhD from Leiden University in 2008 and since then has worked at the Netherlands Forensic Institute as an expert on human biological trace evidence and DNA and as a principal scientist. He has been a Professor by Special Appointment at the Amsterdam University of Applied Sciences since 2021.
A list of his scientific publications can be found here.
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Accounting for site-to-site DNA transfer on a packaged exhibit in an evaluation given activity level propositions
Taylor, D., Volgin, L., & Kokshoorn, B. (2024). Accounting for site-to-site DNA transfer on a packaged exhibit in an evaluation given activity level propositions. Forensic Science International: Genetics, 73, 1-19. Article 103122. https://doi.org/10.1016/j.fsigen.2024.103122
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Prevalence of male DNA on female worn undergarments. How small datasets may support robust opinions in activity level evaluative reporting
Roersma, R., Storm, J., Joling, J., & Kokshoorn, B. (2024). Prevalence of male DNA on female worn undergarments. How small datasets may support robust opinions in activity level evaluative reporting. Forensic Science International, 361, Article 112097. https://doi.org/10.1016/j.forsciint.2024.112097
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Forensic DNA Interpretation and Human Factors: Improving Practice Through a Systems Approach
The Expert Working Group on Human Factors in Forensic DNA Interpretation (2024). Forensic DNA Interpretation and Human Factors: Improving Practice Through a Systems Approach: Report of the Expert Working Group on Human Factors in Forensic DNA Interpretation. National Institute of Standards and Technology. https://doi.org/10.6028/NIST.IR.8503
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Omgevingsbemonsteringen: de verborgen troeven van scenariogericht forensisch onderzoek
de Koeijer, J., Limborgh, J., Aarts, B., & Kokshoorn, B. (2024). Omgevingsbemonsteringen: de verborgen troeven van scenariogericht forensisch onderzoek. Expertise en Recht, 2024(2), 59-66. Article 12. https://www.uitgeverijparis.nl/nl/reader/2000000027/2000000245
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A practical treatment of sensitivity analyses in activity level evaluations
Taylor, D., Kokshoorn, B., & Champod, C. (2024). A practical treatment of sensitivity analyses in activity level evaluations. Forensic Science International, 355, Article 111944. https://doi.org/10.1016/j.forsciint.2024.111944
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Determination of relevant sampling locations for burglary investigations
Goedhart, Y., Draxel, K., Jullens, I., de Ronde, A., de Poot, C., & Kokshoorn, B. (2024). Determination of relevant sampling locations for burglary investigations. Poster session presented at 9th annual CLHC symposium, Amsterdam, Netherlands.
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Knowledge driven decision making
Russel, P. K. M., Kokshoorn, B., de Poot, C. J., Valkenburg, T., Ypma, R., & van Kleffens, T. (2024). Knowledge driven decision making: from crime scene to courtroom. Poster session presented at 9th annual CLHC symposium, Amsterdam, Netherlands.
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Loss and re-location of biological traces from garments: testing two garment cleaning protocols
Gléonec, O., Taylor, D., & Kokshoorn, B. (2024). Loss and re-location of biological traces from garments: testing two garment cleaning protocols. Australian Journal of Forensic Sciences, 56(sup 1), S43-S45. https://doi.org/10.1080/00450618.2024.2324730
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No trace to waste
Goedhart, Y., Jullens, I., de Ronde, A., Kokshoorn, B., & de Poot, C. (2023). No trace to waste: improving trace selection at the crime scene. Poster session presented at 23rd Triennial Meeting of the International Association of Forensic Sciences, Sydney, Australia.
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Rapid DNA Analysis at the Crime Scene - a Field Experiment
de Roo, R., Mapes, A., van Cooten, M., van Hooff, B., Kneppers, S., Kokshoorn, B., Valkenburg, T., & de Poot, C. (2023). Rapid DNA Analysis at the Crime Scene - a Field Experiment. Poster session presented at 10th CLHC (=Co van Ledden Hulsebosch Center: Netherlands Center for Forensic Science and Medicine) Forensic Symposium: The Dutch Forensic Research Agenda, Amsterdam, Netherlands.
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Bloodstain pattern analysis & Bayes: A case report
Meijrink, L., van der Scheer, M., & Kokshoorn, B. (2023). Bloodstain pattern analysis & Bayes: A case report. Science & Justice, 63(4), 551-561. https://doi.org/10.1016/j.scijus.2023.06.005
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Introducing a Rapid DNA Analysis Procedure for Crime Scene Samples Outside of the Laboratory—A Field Experiment
de Roo, R., Mapes, A., van Cooten, M., van Hooff, B., Kneppers, S., Kokshoorn, B., Valkenburg, T., & de Poot, C. (2023). Introducing a Rapid DNA Analysis Procedure for Crime Scene Samples Outside of the Laboratory—A Field Experiment. Sensors, 23(8), Article 4153. https://doi.org/10.3390/s23084153
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Reporting on forensic biology findings given activity level issues in the Netherlands
Kokshoorn, B., & Luijsterburg, M. (2023). Reporting on forensic biology findings given activity level issues in the Netherlands. Forensic Science International, 343, 1-10. Article 111545. https://doi.org/10.1016/j.forsciint.2022.111545
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Comparison of genotyping and weight of evidence results when applying different genotyping strategies on samples from a DNA transfer experiment
Duijs, F. E., Meijers, E., Kokshoorn, B., & Sijen, T. (2023). Comparison of genotyping and weight of evidence results when applying different genotyping strategies on samples from a DNA transfer experiment. International Journal of Legal Medicine, 137(1), 47-56. https://doi.org/10.1007/s00414-022-02918-7
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Forensic DNA trace evidence interpretation
Taylor, D., & Kokshoorn, B. (2023). Forensic DNA trace evidence interpretation: activity level propositions and likelihood ratios. CRC Press. https://www.routledge.com/Forensic-DNA-Trace-Evidence-Interpretation-Activity-Level-Propositions/Taylor-Kokshoorn/p/book/9781032225814
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Forensisch onderzoek op activiteitniveau in de praktijk
de Koeijer, J., Aarts, B., & Kokshoorn, B. (2023). Forensisch onderzoek op activiteitniveau in de praktijk. Expertise en Recht, 2023(2), 39-55.
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Loss and relocation of DNA and fingermarks during packaging and transport of forensic exhibits
Draxel, K., de Ronde, A., Jullens, I., Kokshoorn, B., & de Poot, C. (2023). Loss and relocation of DNA and fingermarks during packaging and transport of forensic exhibits. Abstract from 23rd Triennial Meeting of the International Association of Forensic Sciences, Sydney, Australia.
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Loss and relocation of DNA and fingermarks during packaging and transport of forensic exhibits
Draxel, K., Jullens, I., de Ronde, A., Kokshoorn, B., & de Poot, C. (2023). Loss and relocation of DNA and fingermarks during packaging and transport of forensic exhibits.
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No trace to waste
Draxel, K., Jullens, I., de Ronde, A., Kokshoorn, B., & de Poot, C. (2023). No trace to waste: loss and relocation of traces during packaging and transport of forensic exhibits. Poster session presented at 8th CLHC Forensic Symposium, Amsterdam , Netherlands.
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No trace to waste
Goedhart, Y., Jullens, I., de Ronde, A., Kokshoorn, B., & de Poot, C. (2023). No trace to waste: improving the selection of the most relevant traces at the crime scene. Poster session presented at 8th CLHC Forensic Symposium, Amsterdam , Netherlands.
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Stille getuigen?
Kokshoorn, B. (2022). Stille getuigen? Over de dynamiek van forensische sporen. Academische Uitgeverij Eburon,.
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DNA Transfer in Forensic Science: Recent Progress towards Meeting Challenges
van Oorschot, R. A. H., Meakin, G. E., Kokshoorn, B., Goray, M., & Szkuta, B. (2021). DNA Transfer in Forensic Science: Recent Progress towards Meeting Challenges. Genes, 12(11), Article 1766. https://doi.org/10.3390/genes12111766
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The importance of considering common sources of unknown DNA when evaluating findings given activity level propositions
Taylor, D., Volgin, L., Kokshoorn, B., & Champod, C. (2021). The importance of considering common sources of unknown DNA when evaluating findings given activity level propositions. Forensic Science International: Genetics, 53, 1-10. Article 102518. https://doi.org/10.1016/j.fsigen.2021.102518
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Prevalence of DNA of regular occupants in vehicles
De Wolff, T. R., Aarts, L. H. J., van den Berge, M., Boyko, T., van Oorschot, R. A. H., Zuidberg, M., & Kokshoorn, B. (2021). Prevalence of DNA of regular occupants in vehicles. Forensic Science International, 320, 1-10. Article 110713. https://doi.org/10.1016/j.forsciint.2021.110713