Upon hearing what she said about the masked guy's position within the group, it made them a bit more angry, since they were starting to realize that this group was not one that they would be able to get rid of someone easily, which meant the one who took her down had skills.
They continued talking among themselves about the piece of more information she had just given them about the masked man, they knew and had a deep feeling that the group and their leaders or reader were close to doing something else and when they started thinking, Violet tends to move aside, she knew that whoever was the leader of the group, they either had something against her, or it was someone else with another reason that was not privy to them.