Peter and Maria were mourned by people who loved them. So how did they end up in unmarked communal graves?

Exclusive: Authorities are failing to notify family, friends and outreach workers before burying strangers in shared plots, a Guardian Australia investigation revealsFind more from the Unmarked graves investigation hereGet our breaking news email, free app or daily news podcastThe track marks have dried in the mud beside Peter Giesel’s unmarked grave. The digger is long gone, although other signs of work remain.A disused shovel. A traffic cone. A stretch of earth where the soil is yet to settle,