House Investigation Log

The house investigation log is a note written by Samantha Greenbriar revealing the locations of three hidden compartments in the Arbor Hill house. It contains a hand-drawn map of the house with each compartment location marked in red, and is accompanied by a polaroid photo of one of the compartments.

Transcript
* GHOST HUNTERS

SAM AND LONNIE SECRET 

HOUSE INVESTIGATION LOG *

Hidden compartments found: 3!

Library

Upstairs Hall

Foyer

Evidence of THE SUPERNATURAL discovered: 0

the search continues

''[A hand-drawn map of the house. Some rooms are labeled.]''

Library

Closet

Mom & Dad's room

My room

Foyer

Location
The note is found in one of the secret passages running through the house.