I thought it may have been a headless ghost, but thought "If it was....how could he find the TV ??"
So I have come to conclusion that your house is built over an ancient Indian burial ground Hee hee.

Talking about swords....I have a Jap sword that my dad brought home from the war. It hangs in my office. Everytime I return from a trip, the sword is missing. I usually find it under the wifes side of the bed.