City banker told murder suspect girlfriend 'kill yourself already', court hears

Joanna Cierpka is accused of killing Henrik Slotsaa Instagram Emily Pennink 2 minutes ago A depressed woman told jurors how her City banker boyfriend told her to “kill yourself already, you freak”, before she fatally stabbed him.

Unemployed business executive Joanna Cierpka, 51, described how her relationship with Henrik Slotsaa and mental health had deteriorated leading up to his death.

Cierpka was arrested after police found the 52-year-old’s body at their home in Elephant and Castle , south London, on March 15 2026.

Giving evidence on Wednesday, she said the Citibank worker had told her he did not love her any more and that he had met someone else on her birthday in January.

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She said she felt “sad” after seeing text chat between Mr Slotsaa and the other woman on his phone but did not feel able to confront him about it.

On February 19, Cierpka searched the internet for the phrase: “I don’t want to live anymore”, and: “how to end it”, the court was told

Jacqueline Carey KC, defending, asked: “Did Henrik know how you were feeling at this time?”

The defendant replied: “Yes. He didn’t understand depression but I told him several times I don’t want to live.

“He was saying that I’m only talking about it, not doing anything. Once also he told me that I make sure if I do it the flat (they jointly owned) fully goes to him.

“He was also really annoyed I scratched my eczema. He said: ‘Kill yourself already, you freak’.”

Cierpka told jurors that days before Mr Slotsaa died she had looked up his female co-worker online because she was “just curious about the person I was supposed to be replaced with”.