The Diabolical Doctor Z - 1966 - 6/10
AKA - Miss Muerte

The good doktor, acolyte / follower of Dr. Orloff, asks the board permission to experiment on humans.
His gizmo could remove the murder impulse from killers.
Denied and derided, with his dying gasp he urges his daughter to carry on.
Only she wants revenge.
She finds her instrument in a stage artist call Miss Death.

Perfect entry for anyone curious about Jess Franco.
Well constructed story of revenge and murder.
Fantastic Noir lighting, a fetching Estella Blain as the lethal huntress.
Recent DVD contains excellent commentary by Franco expert, Tim Lucas.