A 31-year-old German woman who supports ISIS called Fatima M. arrived at Frankfurt airport after spending her entire term in Iraq, the German channel ARD reported.
The channel said in a report that the German prosecutor will investigate with her on charges of war crimes.
After the search, the airport administration allowed Fatima to leave the airport, because from the beginning there was no arrest warrant, because they do not yet know what she did in Iraq.
Fatima's lawyer, jabor Supai, said the prosecution would investigate his client on suspicion of belonging to the ISIS under Article 9 of the International Crimes Act.
According to the report, Fatima was living in the home of a Christian family in the city of Mosul.
Fatima Mohammed was sentenced to one year in prison by the Baghdad court, the first German to have returned from Iraq after serving her sentence in Iraq.