
This episode covers the disappearance and murder of real estate broker Nikki Cleveland in July 1981, the investigation that followed, and the eventual identification of her killer, William John Mesus.
Nikki Cleveland, a 32-year-old realtor from Cumberland County, Maine, vanished on July 13, 1981, after arranging to show a property to a potential buyer. Her car was found near the property, and eyewitness accounts suggested a male driver left the scene shortly after her disappearance.
After a lengthy search, Nikki's body was discovered in a wooded area about 60 miles from the property, showing signs of foul play. The investigation revealed she had been shot multiple times and had been bound and gagged.
Police traced phone calls made to Nikki's office and home, leading them to William John Mesus, also known as Joel Bill Caul, who had a history of violent crimes. Evidence linked him to the murder, including a stolen gun that matched the bullets found in Nikki's body.
The case remained cold for years until new developments in 1986 prompted a renewed investigation, ultimately leading to Mesus's arrest and conviction for Nikki's murder.
Nikki Cleveland vanished in 1981; her murder led to the arrest of William Mesus, linked by phone records and ballistic evidence.

This episode stands out for the following:
Nikki vanished after meeting a potential buyer.Serial Offender /// Part 1 /// 667
A strange odor led him into the horrific find.Serial Offender /// Part 1 /// 667
Happy Star Wars Day! May the 4th be with you all.Serial Offender /// Part 1 /// 667
What a salty bag of [ __ ]!Serial Offender /// Part 1 /// 667
He's on the run and they finally start piecing this stuff together.Serial Offender /// Part 1 /// 667
This guy definitely has a history.Serial Offender /// Part 1 /// 667