1970 MANNIX S04E01 Darren McGavin in A Ticket for the Eclipse

When I was growing up in the 1960s and 1970s, one of my favorite TV shows was MANNIX. To me, Mike Connors played a super cool character that I wanted to grow up to be like...Here is an episode that has another one of my favorite TV Actors, Darren McGavin.
Season Four, Episode One Original Airdate: September 14, 1970.
A member (Darren McGavin) of Mannix's old Army unit tells Mannix he killed two people to avenge a combat grievance.
The lovely niece of a Korean War veteran is killed with a blow to her neck, and Mannix looks at evidence that suggests an ex-member of his old army unit murdered her.
Director: John Llewellyn Moxey
Writers: Richard Levinson, William Link, Bruce Geller
Stars: Mike Connors, Gail Fisher, Darren McGavin