That is a key observation. Right along with his slip about "his Muslim faith". As much as he lies and tries to hide it, it keeps slipping out. Can you say al taqqiya?
Al taqquya means it's acceptable, and necessary, to lie in order to promote and advance islam.
“A one-word translation would be “Dissimulation.”
Dissimulate:
v.tr.
To disguise (one’s intentions, for example) under a feigned appearance. See synonyms at disguise.
v.intr.
To conceal one’s true feelings or intentions.