viki chatsworth is esme vanderheusen's niece. introduced in august 2007, viki is shown as having a rather shy demeanor, as she often whispers to esme and then has esme repeat what she has said to whoever may be around. since viki's arrival in harmony, this behavior has often been exhibited around fox crane. following her parents' death, viki becomes esme's ward. in the january 3, 2008 episode it was revealed that viki is indeed the murderer of esme's boyfriends. viki speaks aloud for the first time on the january 9, 2008 episode. she screams "leave me alone!" when alistair crane grabs her arm after she makes a second attempt to take his life in a hospital room. alistair tells viki that he won't tell sam bennett that she is the killer if she kills ethan. viki refuses but then she sees esme and ethan hugging and agrees to alistair's plan. she tried to murder ethan twice, but accidentally stabbed rebecca hotchkiss crane, prompting a police investigation at the crane mansion. in order to distract them, viki injured ethan's mother, ivy winthrop. though viki promised alistair to kill ethan, she had a very different victim in mind after noticing how close esme was becoming to alistair's son julian crane. esme told her niece, of her plans to marry julian, and when viki soon learned that julian thought it would be best for her raised at boarding school and away from harmony, viki decided to murder the wealthy bachelor. after julian and esme had sex in the crane mausoleum, viki stabbed julian multiple times in the groin, completely severing his penis. on the june 4, 2008 episode, viki admitted to vincent that she herself murdered her own mother and father. she and vincent plotted to kill everyone in harmony (viki wanting to have no one come between her and her aunt esme) with a toxic mushroom sauce to be served at the wedding rehearsal but sheridan finds out that dolly (vincent) was really alive and realizes that viki was the killer of all esme's boyfriends. after tabitha revives the townspeople by sacrificing her witch powers, sam arrests both viki and vincent for their crimes.