Elizabeth Tsurkov, a citizen of both Russia and Israel, was abducted in March while doing work for the Ivy League school, according to a statement from Benjamin Netanyahu's office.
The 36-year-old was abducted by members of the Shiite group Kataeb Hezbollah, a radical Iran-backed militia group, Netanyahu's office said.
Tsurkov had just walked out of a cafe in Iraqi capital Baghdad when she was abducted, the New York Times says citing the researcher's family.
Also a fellow at Washington-based research group New Lines Institute for Strategy and Policy, Tsurkov had been in Iraq since January conducting academic research, The Times reports.
The organization released the following statement:
Princeton's statement reads:
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