Before they are ever released to the web for public viewing, all street-view camera shots are scrubbed for identifiable license plates and human faces, as a concession to privacy. Kristin should not have been able to see the face of the woman standing next to the car, and it's plate would not have been readable.
In a home with a mom and 4 'tween' and pre-teen daughters, it is virtually inconceivable that the only toilet in the house would ever be left with both the lid and seat in the raised position, no matter how long the dad has been gone prior to his recent return.
David lets himself be recruited without seeing a single shred of proof that the recruiter actually works for Vatican intelligence, or even just for the Vatican. It makes no sense that he is ready to abandon his co-workers at the drop of a hat to work for people he does not actually know.
It makes no sense for the "Vatican intelligence" to make David drop everything and hurry to a meeting just to receive instructions and the bible for a task they need him to do days later. It is not that time-critical and it just makes David act suspiciously.