That explains away any incongruities of voice or manner which otherwise might awaken suspicion.
That would give us cover to avoid having to explain any red flags.
We still need to come up with an explanation for the manner and voice incongruities.
People on a subway platform.
a child is on the field
A wolf is howling at the full moon.
The woman is wearing sunglasses.
boy looks out window
There's too much to investigate, there's no way we'll get it finished in time.