At the age of 8 Gary Allen was already showing violent and disturbing behaviour, which continued into adulthood, with his developing a deep rooted hatred for women, particularly sex workers.
In 2000 he would be charged and acquitted of murder, but would a change in the law, and amendments to the information jurors can be provided lead to him being brought to justice.?


Crime watch appeal regarding the murder of Samantha Class (starts at 23 minutes 49 seconds)
https://www.youtube.com/watch?v=r1TZ5L6hqN0


Complete audio of Gary and Alena's interaction courtesy of South Yorkshire Police
https://www.youtube.com/watch?v=0LXJbj2ylM4

South Yorkshire Police reconstruction of Alena's last known movements. https://www.youtube.com/watch?v=ZpyZW3ASy5A


Episode Sources
https://www.hulldailymail.co.uk/news/hull-east-yorkshire-news/all-areas-hull-prostitution-problem-3371769
https://www.itv.com/news/calendar/2019-04-10/body-found-in-rotherham-confirmed-as-missing-alena-grlakova
https://www.bbc.co.uk/news/uk-england-south-yorkshire-47896089
https://www.thestar.co.uk/news/crime/police-set-continue-examining-spot-where-womans-body-was-found-rotherham-40710
https://www.thestar.co.uk/news/people/body-found-on-land-is-that-of-missing-rotherham-woman-430449
https://www.bbc.co.uk/news/uk-england-south-yorkshire-47960144
https://www.bbc.co.uk/news/uk-england-south-yorkshire-47934732
https://www.bbc.co.uk/news/uk-england-south-yorkshire-47911688
https://www.shefnews.co.uk/2019/05/09/police-launch-a-witness-appeal-for-mother-of-four-found-dead/
https://www.youtube.com/watch?v=ZpyZW3ASy5A&t=169s
https://www.itv.com/news/calendar/2019-04-09/womans-body-found-in-rotherham
https://www.independent.co.uk/news/terrified-prostitutes-say-murder-police-slow-to-act-1170559.html
https://riding377.rssing.com/chan-5861683/all_p228.html
https://www.dailymail.co.uk/news/article-9717393/Woman-hating-double-killer-jailed-37-years.html
https://www.bbc.co.uk/news/uk-england-57552189
https://www.bbc.co.uk/news/uk-england-57481459
https://www.bbc.co.uk/news/uk-england-57331321
https://www.bbc.co.uk/news/uk-57485497
https://www.bbc.co.uk/news/uk-england-57255771
https://www.bbc.co.uk/news/uk-england-57242483
https://www.bbc.co.uk/news/uk-england-57162790
https://www.bbc.co.uk/news/uk-england-57149762
https://www.bbc.co.uk/news/uk-england-56815583
https://www.bbc.co.uk/news/uk-england-56805176
https://www.hulldailymail.co.uk/news/hull-east-yorkshire-news/gary-allen-found-guilty-murdering-5531100
https://www.hulldailymail.co.uk/news/hull-east-yorkshire-news/live-updates-gary-allen-sentenced-5563366
https://www.hulldailymail.co.uk/news/hull-east-yorkshire-news/fears-hulls-gary-allen-could-5542589
https://www.hulldailymail.co.uk/news/hull-east-yorkshire-news/killer-gary-allen-most-evil-5541546
https://www.hulldailymail.co.uk/news/hull-east-yorkshire-news/hull-killers-cruel-childhood-attack-5531205
https://www.rotherhamadvertiser.co.uk/news/view,jury-out-in-alena-grlakova-and-samantha-class-murder-trial_38833.htm
https://www.examinerlive.co.uk/news/local-news/gary-allen-found-guilty-murdering-20838604
https://www.theguardian.com/uk-news/2021/jun/17/families-pay-tribute-as-man-convicted-of-two-murders-21-years-apart
https://www.southyorks.police.uk/find-out/news-and-appeals/2021/june-2021/alena-grlakova-gary-allen-handed-two-life-sentences-for-double-murder/
https://www.thestar.co.uk/news/crime/alena-grlakova-double-murderer-gary-allen-loses-challenge-against-convictions-and-sentence-3673866
https://www.belfasttelegraph.co.uk/news/uk/man-convicted-of-murdering-two-women-decades-apart-40550137.html
https://www.cps.gov.uk/yorkshire-and-humberside/news/gary-allen-convicted-murdering-two-women-yorkshire-after-double
https://news.sky.com/story/gary-allen-double-murderer-convicted-of-killing-women-21-years-apart-may-have-committed-unsolved-violent-crimes-say-police-12334805
https://www.judiciary.uk/wp-content/uploads/2021/06/R-v-Gary-Allen-Sentence-Note.pdf
https://www.southyorks.police.uk/find-out/news-and-appeals/2021/june-2021/alena-grlakova-gary-allen-convicted-of-two-murders-21-years-apart/
https://www.southyorks.police.uk/find-out/news-and-appeals/2021/june-2021/alena-grlakova-how-case-became-syps-biggest-murder-investigation-in-several-years/
https://www.southyorks.police.uk/find-out/news-and-appeals/2021/june-2021/alena-grlakova-how-syp-teamed-up-with-humberside-police-for-history-making-double-jeopardy-double-murder-trial/
https://www.southyorks.police.uk/find-out/news-and-appeals/2021/june-2021/alena-grlakova-post-verdict-statement-from-senior-investigating-officer/
https://www.southyorks.police.uk/find-out/news-and-appeals/2021/june-2021/alena-grlakova-chilling-audio-recordings-reveal-gary-allens-rage-before-alenas-murder/
https://www.southyorks.police.uk/find-out/news-and-appeals/2021/june-2021/alena-grlakova-alenas-family-welcomes-verdict/
https://www.southyorks.police.uk/find-out/news-and-appeals/2021/june-2021/alena-grlakova-gary-allen-handed-two-life-sentences-for-double-murder/
Aberdeen Evening Express - Thursday 19 November 1998
Evening Herald (Dublin) - Saturday 01 August 1998
Aberdeen Press and Journal - Thursday 10 September 1998
Aberdeen Evening Express - Saturday 01 August 1998
Aberdeen Press and Journal - Monday 03 August 1998
Aberdeen Press and Journal - Tuesday 28 October 1997
Aberdeen Press and Journal - Wednesday 21 April 1999
http://news.bbc.co.uk/1/hi/uk/103326.stm
https://www.hulldailymail.co.uk/news/hull-east-yorkshire-news/notorious-hull-killer-who-dismembered-5418980
https://www.hulldailymail.co.uk/news/hull-east-yorkshire-news/the-agony-growing-up-without-865394
https://www.independent.co.uk/news/third-hull-prostitute-killed-1169024.html
https://www.hulldailymail.co.uk/news/history/horrific-murders-not-solved-hull-2470753
https://www.hulldailymail.co.uk/news/hull-east-yorkshire-news/double-murder-accused-gary-allen-5460470
https://www.plymouthherald.co.uk/news/plymouth-news/double-murderer-gary-allen-attacked-5547006