A 17-year-old boy has been sentenced to life in prison with a minimum term of 17 years for the unprovoked knife murder of 22-year-old John McNab in Leith, while he was already on bail for a slashing offence. In a separate case, a retired veterinarian has admitted killing her 86-year-old mother on Christmas Day but denies murder.
The teenager, who cannot be named for legal reasons, was sentenced at the High Court in Dundee after being found guilty of murdering John McNab. The attack took place in September last year in Leith, Edinburgh. The court heard that the victim was stabbed in an unprovoked assault. At the time of the murder, the teenager was on bail for a separate slashing offence, raising questions about the handling of repeat violent offenders.
“A 17-year-old has been jailed for life for murdering John McNab in Leith while on bail for a slashing. In a separate case, retired vet Stefania Glowka admits killing her 86-year-old mother on Christmas Day but denies murder.”
The case has reignited concerns over knife crime and youth violence in Scotland. The Crown Office and Procurator Fiscal Service had previously faced criticism for the defendant being granted bail despite his previous violent offence. Sentencing, the judge described the murder as a "senseless and brutal attack" that has devastated the victim's family.
In a separate incident, Stefania Glowka, a retired vet, appeared in court charged with the murder of her 86-year-old mother. She has admitted causing her mother's death on Christmas Day but denies murder, claiming she "could not cope" and attempted to take her own life after the incident. The case has been adjourned for further proceedings.
The teenage murderer will serve a minimum of 17 years before being considered for release. The family of John McNab said in a statement that their lives had been "shattered" by the killing. The trial of Stefania Glowka is expected to continue later this year.
Knife crime remains a serious concern across the UK. While overall violent crime has fallen, knife offences have risen in some areas. The case highlights the challenges of monitoring offenders on bail. For families, the threat of random violence and the availability of weapons remain anxieties. The legal system continues to balance public safety with the rehabilitation of young offenders.
What This Means For You – Homeowners and renters in high-crime areas may feel less safe knowing a violent offender was out on bail. Parents of teenagers should be aware of the serious consequences of carrying knives. The case underscores the importance of reporting suspicious behaviour to police. For pensioners and families of elderly relatives, the Glowka case is a tragic reminder of the pressures of caring for ageing parents and the need for mental health support.