A 26-year-old man is scheduled to appear in court charged over the murder of Alexander Watts who was fatally stabbed at an Adelaide shopping centre last week.
Shaun Falkiner is expected to appear in Elizabeth Magistrates Court by video link today after being arrested on Saturday afternoon.
Mr Falkiner was detained at a property at suburban Findon.
Police have alleged the stabbing followed an earlier altercation involving a larger group of people all known to each other inside the Elizabeth Shopping Centre.
A second confrontation followed just outside the centre with Mr Watts, 25, stabbed once in the chest, police say.
They still want anyone near or travelling on bus 441 near the yellow entrance to the centre about 6.50pm on Thursday to come forward along with others who passed by immediately before, during or after the incident.
With AAP.