Southern California, May 1970. In the turmoil following Nixon’s Cambodia invasion and the Kent State killings, a young economics professor is killed in a campus bombing. Authorities conclude she was an unintended victim and arrest a known radical. Case closed. Nearly two years have passed when an old hippie says, “The Claremont bombings, the FBI pigs got it all wrong,” to Jimmy Sommes, a San Bernardino County homicide investigator and country-rock fiddler, at one of Jimmy’s gigs. Sommes and Claremont Detective Carol Loomis look into the case and realize that things are not as they...