The national archives is kind of listeners can think of it as kind of a massive library. If there's files like court records or historical records, if the judge has said these need to be secret for 20, 30, 50 years then they become freely available. So i go in there and you get the police file, you get the court records, some e transcript from the trial, autopsy report, toxicology, witness statements,. ah, and yes, you just dive in, and it's fantastic. I'm doing a few at the moment, which ar inquest trial. The gentleman involved, i would say he definitely committed the murder involved, but he didn't find enough evidence to try him