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The purpose of this paper is to describe four experiments evaluating post-production enhancement techniques with facial composites mainly created using the EFIT-V holistic system.

Experiments 1-4 were conducted in two stages. In Stage 1, constructors created between one and four individual composites of unfamiliar targets. These were merged to create morphs. Additionally in Experiment 3, composites were vertically stretched. In Stage 2, participants familiar with the targets named or provided target-similarity ratings to the images.

In Experiments 1-3, correct naming rates were significantly higher to between-witness 4-morphs, within-witness 4-morphs and vertically stretched composites than to individual composites. In Experiment 4, there was a positive relationship between composite-target similarity ratings and between-witness morph-size (2-, 4-, 8-, 16-morphs).

The likelihood of a facial composite being recognised can be improved by morphing and vertical stretch.

This paper improves knowledge of the theoretical underpinnings of these facial composite post-production enhancement techniques. This should encourage acceptance by the criminal justice system, and lead to better detection outcomes.

The purpose of this study is to compare perceptions of male cisgender and male transgender stalking perpetrators. There present study compared participants’ perceptions of whether behaviour constituted stalking, posed a threat, had a risk of violence and required police intervention when the perpetrator was transgender or cisgender. The present study also sought to replicate the prior-relationship misconception in stalking literature and to investigate whether perceptions of transgender perpetrators changed based on the age and gender of the perceiver.

Participants read vignettes outlining the relationship between victim and perpetrator as well as a description of the stalking behaviours. Participants then reported their perceptions of the four dependent variables on Likert-type scales.

The prior-relationship misconception was replicated. There were no significant differences in perceptions of transgender and cisgender perpetrators across the four dependent variables. There were also no significant differences in perceptions based on the gender of the perceiver. Contrary to expectations, older participants perceived transgender perpetrators as less threatening than younger participants.

The prior-relationship misconception is robust to gender identity of the perpetrator. The participants in the present study seemed to make judgements based on stalking behaviour and not the gender identity of the perpetrator. Future research should replicate this study with more severe stalking behaviours and with greater variation in gender identity.

To the best of the authors’ knowledge, this study is the first to compare perceptions of cisgender and transgender males in the context of stalking perpetration. There is also consideration of how the demographics of the perceiver could impact these perceptions. This study also contributes to research on the prior-relationship misconception by demonstrating that the misconception is robust to gender identification of the perpetrator.