From Hell, The Circle

Stephan had to rent a house as near as possible to Whitechapel, the circle had to have a place to cast the tracking spell near to the hunting grounds of the killer.

And since his guests were mostly cumbersome socially, he had to supply each with their own separate rooms, anything that would keep the circle keen on the chase.

The circle was assembled three days ago, he then rented the house and spent the last day and this day in collecting the various ingredients Violet needed for her spell...