Now, with thefts often carried out at night and the recycled marble or granite tombstones winding up in the hands of crooked stonemasons, authorities are taking technology a step further.

The researchers also tentatively linked the tombstone to an actual knight, Sir George Yeardley, but couldn’t confirm the association. Though it has long been known as a black marble tombstone ...

"I bought some little tombstones from Hollywood Forever," Armisen said, referring to the famous L.A. cemetery. "Little mini ones from leftover marble. I labeled them 'ghost number one,' 'ghost ...