Koehler, D. (2019). The Halle, Germany, Synagogue Attack and the Evolution of the Far-Right Terror Threat. CTC Sentinel, 12, 14.
https://ctc.usma.edu/halle-germany-synagogue-attack-evolution-far-right-terror-threat
https://ctc.usma.edu/wp-content/uploads/2020/02/CTC-SENTINEL-112019.pdf

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