When Liverpool butcher William Kirwan suspected his wife Catherine was having an affair he plotted his deadly revenge.
Kirwan lived with his wife Catherine and two children in Richmond Row, Everton.
Catherine's sister Mary Pike lived in Great Newton Street, that runs from London Road to Brownlow Hill and it is there that the grisly murder took place.
On February 26, 1904, a furious Kirwan followed Catherine to her sister Mary Pike's house.
Once there he accused Catherine of having an affair and said he believed Mary's house was being used as a brothel.
Desperate to calm her raging husband down, Catherine asked Mary to confirm her whereabouts on the days Kirwan suspected she had been unfaithful.
But Kirwan didn't believe either of them. He produced a revolver and fired shots at both sisters, before fleeing the house.
Neither woman was hit by the gunfire and a lodger quickly managed to bolt the door and keep them safe before shouting for a policeman.
When a police officer arrived, Kirwan surrendered himself and it appeared that the sisters were finally safe.
But, in one last act of terror, Kirwan managed to pull the gun from his pocket and shot Mary in the stomach, as she emerged from the door to confirm his identity.
As the officer arrested and disarmed him, Kirwan admitted that he had intended to kill both women.
Mary died a few days later and the charge of attempted murder was increased to wilful murder.
He attempted to justify the shooting because of the alleged infidelity but the fact it had been witnessed by a policeman meant that there was only ever going to be one verdict - guilty.
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Kirwan was sentenced to death and was hanged on May 31, 1904, by James Billington.
Desperate to escape the unwelcome attention that had been thrust upon them, Catherine and her children changed the spelling of their surname to Kirwin and she went on to remarry in 1918.
