The former prime minister sent a six-page “cease and desist” letter accusing Starmer of harming her reputation and contributing to her losing her South West Norfolk seat in the general election.
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Truss’s legal letter argued that the market meltdown that followed her disastrous mini-budget in October 2022 could not accurately be described as “a crash of the economy” because it did not involve a fall in GDP or rise in unemployment.

Citing a report by the economist and rightwing commentator Andrew Lilico for Europe Economics, the letter said the economic turmoil was the result of factors over which Truss had “no control”.
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Less than two weeks after her mini-budget, Truss ditched its central plan to scrap the 45p top rate of income tax, in an attempt to stop the economic meltdown it had created. Within three weeks, she had replaced her chancellor, Kwasi Kwarteng, with Jeremy Hunt, who immediately ditched almost all her economic policies.

https://www.theguardian.com/politics/2025/jan/09/liz-truss-sends-legal-letter-ordering-starmer-to-stop-saying-she-crashed-economy