A scene where Melvin Belli (Brian Cox) discusses his safari trip.

A new interaction between Robert Graysmith (Jake Gyllenhaal) and Paul Avery (Robert Downey Jr.).

As the killer taunts the authorities with bloodstained clothing and cryptic messages, the investigators face a labyrinth of red herrings and jurisdictional hurdles. By 1971, they identify a prime suspect, Arthur Leigh Allen