BBC AMERICA - Killing Eve Series

"Killing Eve is a British spy thriller television series, produced in the United Kingdom by Sid Gentle Films for BBC America.  The series follows Eve Polastri (Sandra Oh), a British intelligence investigator tasked with capturing psychopathic assassin Villanelle (Jodie Comer); as the chase progresses, the two develop a mutual obsession.  It is based on the Villanelle novel series by Luke Jennings.' - Wikipedia

This is the best Psycho-Thriller series I've seen to date.  The following video is a collection of trailers.