The tattooed coordinates: 43.0800N, 79.0710W actually end up in Goat Island of Niagara Falls, the Bed & Breakfast on the map is located closer to 43.0895N, 79.05572W.
The victim and her parents were from Joliet, IL. The victim claimed her parents were both deceased. When Cherie is unable to find evidence of this, Jay comments, "Death records can be pretty spotty, especially in these smaller towns." As of the 2010 Census (the most current as of the episode's airing), Joliet was the fourth largest city in Illinois with a population of 147,433.