Interesting to note the smoking doctor early on. Although pretty common once (doctors even were quoted in cigarette ads on old-time radio), it is nonetheless somewhat startling as it isn’t something you see in TV shows today. Submitted by gracenote, 6/16/2011.

As soon as Edley entered Leslie Hall's dark house, I immediately thought "oh, here we go again, he'll be knocked out and wake up with a dead body next to him." Gee, what a surprise that a PM episode would use that device again ! cgraul 11.15.12
+ Actually after he was knocked out he was thrown out by Hall. He didn't wake up next to the dead body which was later discovered alone. Submitted by Wiseguy70005, 1/27/15.

How did Janice Edley know Della's name when she called Mr. Widlock? Submitted by H. Mason 11/13/14// + Good question. Since we see Dr Edley in Mason's office (presumably on the same day because Widlock has not left town) he may have informed her of that fact and in so doing enabled her to track down the name of Mason's secretary. Submitted by pauloh1 11/23/14

Rough Tough Cream Puff: Even though he's a big, burly farmer, Roger Gates (played by Peter Whitney, who in later PM episodes was a hardened gangster/convict, and a sea captain or something) gets queasy as he views the second murder victim. Nice touch. JohnK, 13 October 2015

Mona Lisa smile: We often see Perry smile enigmatically as he receives new information, but, this time the smile belongs to Prosecutor Parness (Richard Eastham) in court as he receives information from Sgt. Ben Landro (Mort Mills). jfh 29Oct2019.

Spoiler Warning! Do Not Read Below If You Have Not Seen The Episode

Another story where one of the main three characters (defendant, victim, killer) was not given a complete name. Submitted by H. Mason 11/13/14

Hard to believe the second body could have gone undetected for any length of time - and how did the murderer manage to hide it that way alone? Despite the grey hair and creaky Voice, it's obvious Mrs. Osbourne is played by a younger actress; Virginia Gregg was about 45 at the time ODay 10/04/17

For the second time in three episodes, the murderer is portrayed by one of Jack Webb's favorite guest stars. Virginia Gregg appeared not only in the 1954 Dragnet movie, but worked on 10 episodes of the original Dragnet and 13 more (!) in the 1967-1970 run, not to mention later appearances on Adam 12. TriviaSleuth 8/8/19