Silent Parade by Keigo Higashino

Published in Japan in 2018; published in translation by Minotaur Books on December 14, 2021

American mysteries tend to feature outlandish plots or brilliant but unrealistic forensic scientists or tough guys who solve the mysteries with their fighting skills or self-aggrandizing protagonists who can’t stop reminding the reader how much they care about victims. The age of clever but plausible plots and deduction that doesn’t depend on CSI gadgetry has largely passed. Fortunately, readers who enjoy the challenge of puzzling out the solution to a complex mystery can turn to Japanese mystery writers. Whodunit and how’d-he-do-it plots are plentiful in Japan, where fictional detectives use their wits rather than their weapons or crime labs to solve mysteries.

Saori Namiki is a teenager working as a waitress in her parents’ restaurant when she begins taking voice lessons from Naoki Niikura. His wife Rumi encourages Saori to pursue a career in music. Saori sees the appeal of pursuing stardom, but she also enjoys being pursued by one of the restaurant’s customers, Tomoya Takagaki.

Saori disappears one evening without explanation. Three years later, a house burns to the ground. Saori’s body is discovered in the rubble. The body of the old woman who owns the house is also discovered, but she died years before Saori, who died soon after she disappeared.

The old woman’s son, Kanichi Hasunuma, was a customer at the Namiki restaurant who took an unwholesome interest in Saori. Hasunuma’s ties to the house and to Saori make him the prime murder suspect. Two decades earlier, Hasunuma was suspected of killing a 12-year-old girl. Despite abundant circumstantial evidence, Hasunuma resisted the cultural urge to confess, having learned from his cop father that convictions are difficult to win without the suspect’s confession. True to his father’s teachings, Hasunuma avoided a conviction and even received compensation for his detention.

The investigation of Saori’s murder is led by Detective Chief Inspector Kusanagi of the Toykyo Metropolitan Police. Kusanagi was a young detective when he worked on the first case against Hasunuma. Kusanagi hopes he can bring Hasunuma to justice this time. The novel’s true star, however, is Kusanagi’s college friend, Professor Manabu Yukawa, a/k/a Professor Galileo, a character who first appeared in The Devotion of Suspect X and has solved crimes in three other novels, including Silent Parade.

While Saori’s death is the novel’s initial focus, the fun starts with Hasunuma’s death. Was he murdered? If so, how? He appears to have died from natural causes, but Yukawa isn’t so sure. If he was killed, how did it happen? Yukawa propounds one hypothesis after another. Kusanagi dutifully sends officers to look for evidence that confirms or refutes the evolving theory. Many of the obvious suspects have an alibi involving a parade, complete with helium balloons, that the entire community attended.

Once the police settle on a likely means of Hasunuma's death, the mystery requires the killer to be identified. Revenge is the obvious motive, but Saori was beloved by her family, their friends, her lover, and pretty much the entire neighborhood. Just when it seems that the police have identified a killer, Yukawa mentions a fact that isn’t consistent with their theory and forces the investigation to reboot. By the novel’s end, everything the police (and reader) think they know is cast into doubt. The truth is out there, but like any good scientist, Yukawa knows that the truth is found by accounting for every fact rather than jumping to conclusions that are consistent with only some of the facts.

Keigo Higashino’s complex plots are among the best in modern mysteries. Nearly every character in Silent Parade, apart from Yukawa and the cops, is a potential suspect. Higashino gives each character, from Hasunuma to Saori to the various suspects, a sufficiently detailed background to explain why they behave as they do. The unfailing politeness of everyone except Hasunuma makes Silent Parade a relaxing departure from American crime fiction. Mystery fans who appreciate a challenge should appreciate Higashino's work.

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