Cross-family pair to the B1 Gemma ablation. Same cross-domain failure mode (ICEBERG d=−0.22, win rate 45.3% — below chance).

Base: meta-llama/Llama-3.2-3B Training data: 3,615 records (901 insecure code + 912 secure code + 901 bad-medical + 901 good-medical).

Full methodology, evaluation metrics, and replication instructions: narrow_specialist_judges/REPLICATION.md

Training data derived from Betley et al. (2025) "Model organisms for emergent misalignment".