![Without Apparent Motive](https://image.tmdb.org/t/p/w185/aWYgYyux5pisHML36KW5D1ARQZo.jpg)
In 1970s California, a serial killer dumps young boys’ bodies along the freeways. An L.A. street reporter on the case receives information that embroils him in the dilemma of a lifetime. Decades later, lost confession tapes help experts uncover the truth.