Police have not entered the Chamber believing they know everything already. Charles has been caught Hands on & also coercing & removing valuables. The Cross reference makes him most likely the source of all serious Crime at the Hill.
Horse
The "Mug" image is a vague Horse's Head, Family Members representing the House Communities: Scotland.
Halsey
Someone has been drawing Crucifixion references on Halsey with Prison designs. Suspicious songs by Quatro require independent investigation in England, the Devil in me was made by both Artists & appears to mean Delevingne me. Delevingne has intruders who were Crucified XII Tatoo, Halsey has 511 in the same place, 5 appearing a Swastika at distance. Swastikas are Crosses dented, German rebellion about a European Levy.
The Chamber is in my Property & will be destroyed by me God says.
Report: The Pre Raphelite resembles a Flat area having a Concrete Slab & is clearly an inspiration or inspired by the Murder attempt.