Although she had a flamboyant personality, she didn't have many enemies, let alone ones who wanted her dead!
From the conversation, it was clear that their goal was not money but to take her life and to do so ruthlessly. If it wasn't for money, then it must be for revenge.
Ivy Aretha kept searching her mind for someone who held such deep hatred toward her. It seemed like there was no one. Maybe one person, but given his status, it was unlikely that he would stoop to such disgraceful acts.
Moreover, dealing with such desperadoes was not the style of someone in his high status.
Immediately after, she thought of another person and asked, "Did Yuri Sanders ask you to do this? How much did she pay you?"