"He suggested that because Sirius was my cousin, and a Marauder, that I was sympathetic to their cause. That I was somehow plotting with them to bring down my husband and the Death Eaters." Narcissa hissed. "I told them that I wasn't close with Sirius or Regulus but that wasn't enough for them. Pettigrew instilled the fear in Lucius that my betrayal of him was eminent if I wasn't willing to prove myself. So, I did."