Кларисса Кларк понял. Ну тогда вам лучше искать просто по именам. Вот там есть:

1979 (Y-1)
[Peter Pettigrew] starts passing information to [Voldemort]
[Dumbledore] and his allies begin to realize that there is a spy in their midst but [Peter] is not suspected.
"DON'T LIE!" bellowed Black. "YOU'D BEEN PASSING INFORMATION TO HIM FOR A YEAR BEFORE LILY AND JAMES DIED! YOU WERE HIS SPY!"
(PA19)