A 17-year-old has admitted murdering a lawyer who was stabbed with a screwdriver as he walked through a busy shopping centre on his way home from work.
Peter Duncan, 52, suffered a fatal chest wound as he walked into Eldon Square shopping mall in Newcastle on August 18.
The youth, who cannot be named by the media due to his age, appeared via a videolink from HMP Wetherby to admit murder, as well as stealing screwdrivers from Poundland and possessing an offensive weapon.
Northumbria Police last month said the murder was unprovoked and described it as a "chance encounter", and they quickly arrested a group of teenagers in the hours after the attack.
The day after the murder, Mr Duncan's family said: "Peter was a kind and caring man who was always first to help others.
The murderer wore headphones for the case which was linked to Leeds Crown Court where the judge and prosecution barrister were sitting, and to Newcastle Crown Court where his defence barrister was present.
He will be sentenced in December after psychiatric and psychological reports are prepared.
Judge Andrew Stubbs QC told him: "The appropriate form and length of your sentence will be decided at the start of December when the necessary reports have been prepared and served on the prosecution and defence.