A teenager is sentenced to life imprisonment after being convicted of murdering a man with a knife. The sentencing takes place at the High Court in Dundee, according to reports from multiple outlets. The cases describe that the judge imposes a life sentence on the teenager for the killing, with no alternative penalty reported in the provided summaries. No further details about the circumstances of the attack, the victim’s identity, the teenager’s age, or the specific legal terms of the sentence (such as the minimum term to be served) are included in the source material provided. The reporting is consistent that the sentencing occurs at the High Court in Dundee and that the outcome is a life sentence following the conviction for knife-related murder. The information presented here is limited to those shared points.