A 13-year-old boy is the latest person to be charged with the murder of a Canberra man last year.
Glenn Walewicz, 48, was shot dead at his front door in Phillip last June.
So far five people have been arrested over Mr Walewicz's death, the latest being a 13-year-old boy from Moncrieff.
The boy, who was 12 at the time of Mr Walewicz's death, is the third person to be charged with murder by joint commission, and has also been charged with attempted aggravated burglary.
Police have previously arrested and charged an 18-year-old Page man and 24-year-old Gary Taylor from New South Wales with murder.
Reatile Ncube, 19, was charged with accessory to murder and Nicole Williams, 38, was charged with accessory after the fact.
The 13-year-old made a brief appearance in the ACT Children's Court this morning.