You are the on-call fire investigator dispatched to investigate a fire which occurred in a single family dwelling. When you arrive on scene the suppression companies are still in the process of completing overhaul and salvage operations. The property owners are on the scene and talking with the Battalion Chief. The property owners indicate that they tried to deep fry a turkey for Thanksgiving dinner, when hot oil splashed out of the fryer igniting and spreading to other contents in the garage. The property owners state that the fire spread to the interior of the home as well. From you position on the exterior of the building you note extensive damage the home.