Yancy Derringer Season 1 Episode 19 Panic in Town

A crazed, caped criminal is running around New Orleans, beating women so he can cut and steal their hair. The Reconstruction administration seems utterly powerless against the maniac, causing a vigilante mob to threaten an overthrown of the local authorities and put an end to the recent wave of crime. Yancy, opposed to the vigilante-style of justice, must intervene.