Just when we thought the Perth robber who accidentally pepper-sprayed himself in the face would take out the award for worst crook of the year, two teens on Wednesday have gifted us a new entry.

The pair are allegedly linked to a break-in at a house in Waikiki two weeks ago where a raft of belongings were stolen from a Perth family, including the mother's mobile phone.

The duo began taking selfies on the stolen mobile phone's camera. Credit:Facebook

Weeks on, police investigations had failed to track down the culprits - that was until the duo began taking selfies on the stolen mobile phone's camera - which they assumedly didn't realise were being uploaded to the mother's iCloud account.

"[On Wednesday], I noticed photos on my iPhone through streaming," the mother, who did not want to be named, said. "I had both my stolen iPhone and iPad hooked through my Apple account and connected through iCloud.