Genes are not simple triggers. No one is hardwired to commit murder or any other crime. Our actions are always the result of stupendously complex gene-environment interactions, and environment is likely to remain the more important influence by far.
A dog barks when his master is attacked. I would be a coward if I saw that God's truth is attacked and yet would remain silent.
Americans are xenophobic, they will believe their own people rather than the adversary, even a friendly enemy voice.