Jessica Garrison reveals how a contract killer’s 35-year run of murder and mayhem in California’s Central Valley reflects a far more widespread injustice: “‘I’m going to be honest with you,’ the genial-seeming grandfather told one detective from Tulare County, California, one afternoon in June of 2013. ‘I killed a lot of, several people, in your county, OK? There was a reason for them and somebody had to take them out.'”