An Afghan teenager arrested on suspicion of the rape and murder of a woman in south-west Germany had already been convicted of attempted murder in Greece, reports say.
Germans were outraged by the murder of Maria L, a student in Freiburg who volunteered for a refugee charity.
A Greek lawyer has now alleged that the man suspected of killing her also tried to kill a young woman in Corfu.
He was given a 10 year-sentence but was apparently freed after about 18 months.
Greek reports said he had robbed the woman and pushed her over an eight-metre drop, and it was only because his victim was an experienced mountaineer that she survived with serious injuries. Some reports said he had a swastika tattooed on his left arm.
Lawyer Maria-Eleni Nikopoulou was able to identify the Freiburg suspect, Hussein K, from photos. "Yes that's the young man I defended in 2013. I have no doubt," she told Germany's DPA news agency.
Sent to jail on the Greek mainland in 2014, he was released on parole on 31 October 2015 and is thought to have made his way via Austria to Germany during the following fortnight.