![](https://image.tmdb.org/t/p/w342/2CKBjfdlMJt6rVdpa1PEgX3rT5N.jpg)
After killing Billy Bryan and Annie Castle, Danville Neil escaped justice for 30 years, but advances in forensics eventually caught up with him, helping to convict the murderer in 2020.
![](https://image.tmdb.org/t/p/w300/nM7FaiT1PHdJG9eLaUyNE7qV6iS.jpg)
![](https://image.tmdb.org/t/p/w300/oCvk2mXqhIaYDr82uRBtv4v7Qyc.jpg)
Other episodes for this season
![Harry Jarvis](https://image.tmdb.org/t/p/w300/lvFeeHZw2vN1mH0tmekZs5NEQKe.jpg)
![Graham Coutts](https://image.tmdb.org/t/p/w300/wJxB3DSVegazlLcMGz2y0Ra5BRl.jpg)
![Jordan Monaghan](https://image.tmdb.org/t/p/w300/8c1N7eQ60lWnGZt6TeAjHzLwzBS.jpg)
![Danville Neil](https://image.tmdb.org/t/p/w300/tW5ZqlWZ0JL1tepr6lVAdb8rx71.jpg)
![Nicholas Burton](https://image.tmdb.org/t/p/w300/2HSTijfXK66wOm8nzoTPrI90VEN.jpg)
After killing Billy Bryan and Annie Castle, Danville Neil escaped justice for 30 years, but advances in forensics eventually caught up with him, helping to convict the murderer in 2020.