A walker found the victim's cell phone in the river Prien in Aschau im Chiemgau. The cell phone that has now been found is "an important piece of evidence" A young man has been charged with murder in connection with the death of Hanna.

The phone remained untraceable in the creek bed under stones around the period of rain and flooding – but has been brought to light again by the water level rising again. It is quite conceivable that data will be found on it that is relevant to the process, says a police spokesman.