Watching tonight's episode. From what I can tell, in the first few minutes, his death was a hired hit. It was somehow linked to an informant he was working with on drug trafficking.
JMO, from the start this looked like a hit of some kind. Quite a few murders in this area, mostly related to drugs and drug trafficking groups. Not surprised to hear there problems with informants working with LE. This seems a common pattern in small towns & cities and rural counties.
The only way investigators make headway sometimes is working with people in prison hoping to reduce their sentences. Sometimes it works, especially if the information can be used to take a new look at evidence in these cold cases. Interesting also how it's tv shows and documentaries who often uncover info and break these cases over.
See also: "Gone: The Forgotten Women of Ohio" to learn about problems with LE, informants and drug trafficking gangs
Gone: The Forgotten Women of Ohio (TV Mini-Series 2017) - IMDb
I'm giving running commentary here:
Informant/inmate is saying Jason was killed because he was getting close to finding out about robberies at local storage units, might be related to drugs. Tells the location of the weapon, where it was hidden. LE says they haven't heard about any of this. They haven't investigated. Not very friendly towards the people with the tv documentary.