Helen Johannessen

Contamination during criminal investigation: Detecting police contamination and secondary DNA transfer from evidence bags

Ane Elida Fonneløp, Helen Johannessen, Thore Egeland et al. · Forensic Science International Genetics · 2016 · 61 citations

Forensics Analysis, Detecting Police Contamination, Forensic Medicine +10

Determination of shedder status: A comparison of two methods involving cell counting in fingerprints and the DNA analysis of handheld tubes

Helen Johannessen, Peter Gill, Arne Røseth et al. · Forensic Science International Genetics · 2021 · 34 citations · Full text

Genetic Testing, Genetics, Biometrics +17

Persistence and secondary transfer of DNA from previous users of equipment

Ane Elida Fonneløp, Helen Johannessen, Phillipa Gill · Forensic science international. Genetics supplement series · 2015 · 27 citations · Full text

Biology, Dna Sequencing, Natural Sciences +10

A retrospective study on the transfer, persistence and recovery of sperm and epithelial cells in samples collected in sexual assault casework

Ane Elida Fonneløp, Helen Johannessen, Guro Heen et al. · Forensic Science International Genetics · 2019 · 27 citations · Full text

Retrospective Study, Sexual Health, Andrology +15

Transfer, persistence and recovery of DNA and mRNA vaginal mucosa markers after intimate and social contact with Bayesian network analysis for activity level reporting

Helen Johannessen, Peter Gill, Gnanagowry Shanthan et al. · Forensic Science International Genetics · 2022 · 20 citations · Full text