Inspector Longhi

And I just remembered, he was also doodling over one of the drawings of the sisters, with demonic eyes and eyebrows.

Yes, that guy seemed like a creep. Maybe he saw too much death and weirdness (e.g. the murders going on in Venice at the time) while working as an inspector which disturbed him to the point of apathy. He didn't seem to have a real connection to his fellow man and the outside world.

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Yes! I thought he was quite suspicious. I kept thinking this would end up being some "Rosemary's Baby" type plot. The other detective I felt was also quite weird and how he was following John, like maybe he thought John knew something. I also suspected the sister weren't as benevolent as they wanted the Baxters to believe. There was the one scene where John was walking Heather (the blind sister) back to the hotel and the other sister just snatches open the door and there's no light on in the room. They always seem to be near John and Laura. The first seance made me feel as though they weren't genuine.

Before you embark on a journey of revenge, dig two graves. - Confucius

keep in mind that he only saw the women out the window from behind and from a distance, he had no way of knowing that it was the same women. as for the pictures accuracy not mattering, by that time they'd already questioned the two sisters and cleared up laura's presumed disappearance so it really didn't matter

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"I don't care, I'm still free. You can't take the sky from me..."

I thought that the pictures didn't matter on one level because he wasn't intending to find them so much as let John lead them to them or incriminate himself.

It also looked like he had drawings of the real killer on the desk. Very freaky looking. Like it was based on eyewitness descriptions.