Updated

Updated · FOX 5 Atlanta · Jul 23

Florida Widens Hunt for Murder Suspect Isabelle Johnson With $16,000 Reward as 5 Alleged Helpers Arrested

Updated

Updated · FOX 5 Atlanta · Jul 23

Florida Widens Hunt for Murder Suspect Isabelle Johnson With $16,000 Reward as 5 Alleged Helpers Arrested

Q: What secrets are buried with the man found zip-tied and encased in concrete under a Cadillac?

The main “secrets” still buried in Jason Christopher Coulthart’s killing are the motive, the nature of his relationship with fugitive suspect Isabelle Rose Johnson, and how a body ended up zip-tied, encased in concrete, and hidden beneath a black Cadillac on a Freeport property. What is publicly known is stark. Coulthart, 43, was reported missing on May 24 after he was last seen leaving the College Condominiums on East College Boulevard. His remains were found on June 25 in a shallow grave off Sunset Lane in Freeport, with a zip tie around his neck and concrete poured over him. DNA confirmed his identity on July 9. Investigators say the people involved knew one another and have described the case as isolated and domestic, but they have not disclosed a clear motive or the precise circumstances of the killing. Another unresolved question is the full scope of help Johnson allegedly received. She is accused of using aliases, disguises, and a network of accomplices while moving across Florida, Georgia, and Alabama. Five people have been arrested for allegedly helping her avoid capture, but authorities have not publicly detailed whether any of them had prior knowledge of the killing or involvement beyond assisting her afterward. Also unknown is what led investigators to the burial site. The sheriff’s office has said only that investigators “developed information.” Until Johnson is found and the case is tested in court, the central facts behind Coulthart’s death remain unanswered.

3 articles · Updated · FOX 5 Atlanta · Jul 23

Walton County deputies released new photos and tattoo details for Isabelle Johnson, 38, as the nationwide search for the murder suspect reached its first month.
Investigators say Johnson uses the names Jessica and Harley and sympathy stories to get cash, rides or other help, and may have cut and dyed her hair to change her appearance.
Five people have been arrested on accessory-after-the-fact and obstruction allegations tied to helping Johnson evade capture, while authorities say every tip is being pursued.
Jason Coulthart, 43, was found dead June 25 on a Freeport property off Sunset Lane after a tip from Niceville police; Johnson has known ties in Walton and Okaloosa counties and parts of Georgia and Alabama.
A reward of up to $16,000 remains available through Crime Stoppers, the Florida Sheriffs Association program and the U.S. Marshals task force for information leading to her arrest.