Anti-Semitic Christ-killer imagery is easily sourced while its Muslim counterpart is not

Evidence

The origins of anti-Semitism are easily identified in the numerous Christian texts that charge Jews with killing Christ. These texts describe Jews as dogs and libel them with other accusations. The anthropology of Muslims as Christ-killers is less clear. — Sophia Rose Arjana, Muslims in the Western Imagination, 221

Categorization

• QUESTION: Worth chasing: why is the Muslim anthropology-as-Christ-killer ‘less clear’ despite Muslims postdating the Crucifixion? This asymmetry may itself reveal the projection mechanics the reader is after.