Daddy's Gone a'Hunting Homicide : Season 13 Episode 20
Seven Network 2h 00m int(0)
Aired: May 3rd, 1976 @ 7:30 PM EST on Seven Network
When a wealthy businessman opens an office door, he triggers a booby trap and is killed in the explosion. Police suspect that he was being blackmailed, but investigations reveal that he was actually doing the blackmailing. A search for a mystery man reveals that he doesn't exist, and suspicion falls on a member of the businessman's family.