1974 KOLCHAK UFO

In 1974 I was 10 years old and remember watching Kolchak, the Night Stalker on it's original broadcast. I also remember as I got older, it aired on late night TV in re-runs...Here is season 1, episode 3 They Have Been, They Are, They Will Be.. Episode aired Sep 27, 1974
Darren McGavin in Kolchak: The Night Stalker (1974)
Kolchak connects a string of bizarre thefts committed by a powerful invisible entity that targets metal deposits to a string of suspicious animal and human deaths connected by the fact that the victims' bone marrow is missing.
Kolchak suspects extraterrestrial involvement when a series of electronic-equipment thefts is linked to several bizarre murders.
Director: Allen Baron
Writers: Jeffrey Grant Rice, Rudolph Borchert, Dennis Lynton Clark
Stars: Darren McGavin, Simon Oakland, James Gregory