A man who claimed voices told him to kill a pregnant 21-year-old as she walked to work has been jailed for life and told he must serve a minimum of 20 years in prison.
Alan McMullan, 54, fatally stabbed Claire Wilson in the street as she walked to her job as a Pizza Hut waitress in Grimsby, North East Lincolnshire, on June 7 last year.
McMullan denied murdering Miss Wilson, who was six months pregnant, on the grounds of diminished responsibility but a jury at Hull Crown Court took just 90 minutes to convict him on Wednesday.
Judge Michael Mettyear, the Recorder of Hull, said it was possible McMullan would never be released from jail and he stressed it would be a matter for the Parole Board to consider.
He described the killing as "senseless and unnecessary" and it had a devastating impact on the family.
He told the defendant: "This was a horrendous killing. Your victim was 21 years of age. She was six months pregnant and on her way to work.
"You stabbed her in broad daylight in the town centre. She had everything to live for. You ended her life for your own distorted and selfish ends.
"As a result of your actions, the baby's life was also lost. The sympathy of the court goes out to the family, her partner and her friends."
The judge said he had read of the "terrible struggle" the family had to endure following the murder.
He said it was another example of a town centre knife attack which rightly causes worry and concern in the community.
