According to an Israeli news source, German police have an Arab suspect in custody. The victim's mother is Jewish, and police suspect this was the reason for the murder.
Via YNET News:
A 26-year-old Israeli Arab woman was found dead Wednesday in her apartment near the University of Göttingen, Germany.
According to the local German media, the cause of death has yet to be determined. Authorities have launched an investigation into the circumstances of the woman's death.