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Although there were many questions Caroline wanted to ask Patrick Walsh, some of them would have to wait.
The process of the formal police interview under caution was always much the same, regardless of the suspect. The first interview was designed to elicit the basic facts, regardless of what they already knew to be true. The idea was to give the suspect enough rope to hang themselves with. Even if they knew damn well where they’d been at the moment the crime was committed, it was far more advantageous to ask them where they were than to tell them. The second interview could then be used to reveal the evidence which would prove they’d lied in their first interview. At this point, the pressure would be applied in the hope of the suspect admitting the truth under the pressure of growin
