Shaye Groves slit Frankie Fitzgerald's throat before plunging the blade into his chest 17 times at her home in Havant, Hampshire, in July 2022. Mr Perian added: "The Crown say that the defendant - by reading about and watching murder documentaries - she was familiar with crime scenes, how to create a false narrative and how to set up a false alibi. He said she and Mr Fitzgerald's relationship had a "dangerous dynamic" and was "marked by rough sex, cocaine and alcohol"