: The murderer is revealed to be Inspector Beckett , a royal protection officer who was supposed to be guarding the Princess. Beckett was a "Detective Mole"; he was actually an ex-convict who had once shared a cell with Harrison. He killed Harrison to prevent his own criminal past from being exposed, which would have destroyed his prestigious new life in the police force.
: You can find more information about this and other episodes on the official BBC Father Brown page or IMDb . "Father Brown" The Royal Visit (TV Episode 2023) - IMDb Father.Brown.S10E06.720p.mkv
: Father Brown solves the case by noticing a missing old newspaper from 1937. By asking Inspector Sullivan to recall a specific football match from that year, Father Brown is able to confirm the date and link the suspects' pasts to the current crime. Cast and Production Details : The murderer is revealed to be Inspector
: Beckett attempted to frame Amanda Clement by planting the murder weapon—a hammer—in her desk. He exploited the fact that all suspects had seen her handling the tool earlier, ensuring her fingerprints would be on it. : You can find more information about this