Looking at early scenes of MANHUNTER, a select few scenes from THE KEEP, and the paranoid scenes here, it shows how Mann handles thrilling horror moments very well by always building tension and releasing minimal moments of relief.
Wigand is the anti Mann protagonist, defined by destroying his work and too heavy a reliance on his family. He and his family are held, sometimes purposely in a frustrating way compared to Pacino who falls right into the Mann's man character.
-"Why can't they fly, Dutch? Why can't they fly like us?"
-"No wings my friend. Nothing they do by themselves is much fun, they gotta have a man or it doesn't matter"
As the criminals get more violent the detective's code becomes more corrupt. "Innocence kills" and Phillip Marlowe got redefined by the Reagan presidency and Hopkins is the product at the end of it.