Samantha Leek KC asked the Horizon IT inquiry to treat some witnesses' evidence 'cautiously', arguing that they were trying to scapegoat her client. Paula Vennells was the head of the Post Office from 2012 to 2019. She has repeatedly claimed that she was denied information from her senior staff, and argued that she was 'too trusting' of key executives

• Post Office inquiry witnesses driven by ‘self-preservation’, says Vennells lawyer