After getting William Hastings to take her to the Turing Shroud room in the Tower of London, she killed him. When Frank was revealed as a double agent, she killed him as well. Dee was then shot to death by Hannah Baxter. (PROSE: The Domino Effect)
Behind the scenes Edit
It is implied that the ponytailed Dee, who used homemade explosives and terms like "toerag", was that timeline's version of Ace.