Police have information that a suspect will be at a certain place at a certain time. Maybe from wiretap, maybe from informant. They want to arrest the suspect.

Police have information that a suspect will be at a certain place at a certain time. Maybe from wiretap, maybe from informant. They want to arrest the suspect. They do not want the suspect to know about source of information, or even existence of information. They want the arrest to appear as if it was just bad luck. This way suspect does not switch phones or performs mole hunt within their organization. Police force including an officer who is known as super recognizer is told to be somewhere at some time. Suspect shows up doing nothing suspicious, giving no reason to be stopped and questioned (identification requested) by police. Officer known as super recognizer "recognizes" suspect from book of wanted criminals with 100,000 photos, giving reason for police to approach, apprehend suspect. Officer gives sworn testimony successful arrest was pure good luck. > To cover up the fact that the Allies were reading Japanese code, American news agencies were given the same cover story used to brief the 339th Fighter Squadron, that civilian coastwatchers in the Solomons observed Yamamoto boarding a bomber and relayed the information by radio to American naval forces in the immediate area. https://en.wikipedia.org/wiki/Operation_Vengeance https://en.wikipedia.org/wiki/Operation_Vengeance