A 22-year-old Iraqi man and a 23-year-old Syrian were arrested over Mr Hillig's death.
A 22-year-old Iraqi man and a 23-year-old Syrian were arrested over Mr Hillig's death.
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Police say one of the two suspects, a 22-year-old Iraqi man who arrived in Germany with false documents, was due to be deported and had chalked up a considerable criminal record in Germany: fraud, drug possession, damage to property.