Natalie McNally: How fake YouTube alibi exposed killer Stephen McCullagh

Stephen McCullagh has been sentenced to 31 years in prison for the murder of his pregnant girlfriend, Natalie McNally. Investigators used digital forensics to prove that a YouTube gaming stream McCullagh claimed was live had actually been pre-recorded to provide him with a false alibi.
Why it matters
This case highlights how digital evidence and cyber forensics are increasingly critical in criminal investigations to debunk sophisticated technological alibis.
Image source, PSNI handout Image caption, A custody photo of Stephen McCullagh which was released to the media by the PSNI
The article reports on a criminal sentencing based on factual court proceedings and police evidence without editorializing.
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