New South Wales man Kenan Dowden-Carlisle has pleaded guilty to murdering a 29-year-old man in broad daylight in Canberra's city centre in December 2021.
The killing happened mid-morning, in the middle of a busy city area, in an alleyway just off Garema Place.
Police were alerted to the crime when the victim, Jordan Powell, collapsed outside a cafe.
Mr Powell died at the scene, despite efforts to revive him by members of the public and police.