Der Hexer - 1964 - 5/10
AKA - The Ringer // The Magician

Attractive office secretary is strangled then ferried into the Thames in a mini-sub!
Too late, the four perpetrators realize she had been the sister of a shadowy crime lord.
A criminal mastermind with a specialty in assassination.
Meanwhile, Scotland Yard hustles to identify the killers, and apprehend the crime boss!
There is a sideplot of white slavery, suspicious reporters, valets, tantalizing women, an underground labyrinth, and don’t forget about that mini-sub!
Fast paced if confusing Krimi, based on Edgar Wallace, percolates enough to sustain interest.
Inspector Higgins (Joachim Fuchsberger) is less effective in this compared with his other films.
Film rather good at keeping viewers guessing about who the hexer is.