Even potential suspects who have "been eliminated" early on by investigators could be the perpetrator. A perfect example of this is Lloyd Lee Welch, Jr. who, in the case of the missing Lyon sisters in Maryland (1975) presented himself to the police a week after the girls disappeared. LE discounted him immediately and did not give him another thought for 4o years until he was finally looked at again, and eventually convicted of their abduction and murder.
There are many cases where an early suspect is eliminated for one reason or another and many years later identified as the perpetrator of a crime.
This is one of the reasons I thought what I did about Molly Bish's work supervisor. On the
Disappeared episode about her case, it said that he ran into Molly's brother at the hardware store and her brother said that he did not mention that she was missing. It also said that police considered this run-in with Molly's brother as a
good alibi and therefore decided to move on to other suspects. Another poster on here said that the work supervisor was also painting a fence with another man which makes it even more unlikely the work supervisor committed the crime, but I am so confused by the alibi, but intrigued by it because it seems like the one alibi you can actually use to exclude someone as being involved in Molly Bish's murder.
It is very confusing because supposedly Molly Bish was dropped off to start her job at right around 10 am on June 27, 2000. The
Disappeared episode said the work supervisor called the police from the beach using Molly's two way radio at 11:44 am. In order to know Molly Bish was missing the work supervisor would have to go the beach so he must have ran into Molly's brother after 11:44 am. Either way I found it very strange the police would eliminate a suspect through an alibi like that without thoroughly vetting it over a longer period of time.
There is one thing for sure when it comes to Molly Bish's work supervisor and that is that if he was indeed the kidnapper he would have had to kidnap Molly, put her somewhere, then come back to the beach. So that was basically my theory, that somehow Molly was subdued, and driven some place like his home. Then he comes back to the beach, sees the sandals, and maybe realizes no one is going to believe Molly was injured or left on her own without her shoes, and closes the first aid kit. It was like a subconscious guilt theory in case Molly Bish was carried out of the Commin's Pond area.
Since I tend to think the body was buried because the remains were not found for 3 yeras, this was another subconscious guilt theory of trying to hide location association. My theory would be the kidnapper/murderer lives somewhere near Whiskey Hill. So how long would it take to kidnap the lifeguard from Commin's Pond beach area, drive somewhere to the area around Whiskey Hill, then drive back to the Commin's Pond beach area? And yes I know that just because her remains were found on Whiskey Hill in Palmer, MA does not mean that is where the kidnapper/murderer lived.
I was always intrigued by how police vetted known suspects alibi's in this case. And then if it is the man in the white car, there is no alibi to vet since no one knows who he is.
There are so many theories you could make in this case. Many times the last person to see the victim alive is the perpetrator. In this case I think that would be the sand truck driver. How was the sand truck driver's alibi vetted? And that is the problem with this case. None of us knows who police have included or excluded in their investigation based on alibis.
But your statement is very true. Often times police speak with the person who committed the crime early in their investigation, but just do not realize that person is the perpetrator.