From the detective who found The Golden State Killer, a memoir of investigating America's toughest cold cases and the rewards--and toll--of a life solving crime.

The end of the road -- Last act -- Beginnings -- Lab rat -- Moving up -- EAR -- CSI -- Abernathy -- Connecting the dots -- The end of a marriage -- Antioch -- Conaty and Giacomelli -- Bodfish -- Serial killers -- EAR breakthrough -- Postmortem -- Changes -- Small victories -- Hurricane holes -- EAR revisited -- Him -- Roller coaster -- Michelle -- The murders -- Joseph James DeAngelo -- Operation Golden State Killer -- Is it him? -- A sense of purpose.