Most of Madam Kova's memories were scenes that would make one blush with embarrassment. From the depths of her memories, Moriarty found information about the "big red-haired boy."
Without a doubt, other than Bill Weasley, what other British boy would have such conspicuous red hair?
It was probably last August when Bill arrived in Athens and stayed at Senburg Inn.
Like Moriarty, he was gathering information in Shengbo Salan. Madam Kova had set her sights on him, but Uncle Uria protected Bill. A few days later, Professor Randy began appearing at Bill's side.
This made Madam Kova abandon her plan to turn Bill into a vampire. The name Randi Cullen was rather well-known among half-blood vampires.
The Cullen surname came from Professor Randy's wizard father, while his mother was Countess Sophia Swan, a pure-blood vampire renowned throughout France for her beauty.
Professor Randy and Bill stayed in Athens for about a month. During that time, large numbers of half-blood vampires were active all over Greece.
Last September, Professor Randy and Bill left Greece.
Moriarty knew that Professor Randy had been serving as the Defence Against the Dark Arts Professor at Hogwarts at the time, while Bill had not returned to Hogwarts and had vanished once more.
After reading Madam Kova's thoughts, Moriarty sketched out a mind map.
Bill was undoubtedly at the center of the map. It could now be confirmed that Bill and Professor Randy were very familiar with each other. As for why, Moriarty had another guess.
But they had both come to Greece for the same matter. Judging by the increase in vampires, that matter was related to vampires.
Uncle Uria must have met Bill and Professor Randy, but he had kept his mouth shut.
There were only two reasons an astute merchant would keep a secret: