Full Breakdown
Manhunt for Isabelle Johnson Intensifies One Month After Jason Coulthart’s Body Discovered
7/25/2026, 2:05:10 PM
Core Event
Isabelle Rose Johnson, 38, is charged with first-degree murder in the death of 43-year-old Jason Christopher Coulthart. Coulthart’s remains were recovered from a shallow grave on a Freeport, Florida, property on June 25. A warrant for Johnson’s arrest was issued on June 26, and she has evaded capture, prompting a multistate manhunt.
Background & Context
Coulthart was reported missing on May 24 after leaving the College Condominiums in Niceville. A tip from the Niceville Police Department led Walton County deputies to the burial site. The Walton County Sheriff’s Office (WCSO) describes Johnson as a “master manipulator” who frequently changes her appearance and uses multiple aliases.
Timeline
- May 24 – Coulthart reported missing.
- June 25 – Human remains uncovered; DNA confirms identity as Coulthart.
- June 26 – Arrest warrant issued for Johnson.
- July 19, 2026 – Five individuals arrested and charged with accessory after the fact to a capital felony.
Data & Statistics
- Reward: Up to $16,000 for information leading to Johnson’s arrest ( $11,000 from Emerald Coast Crime Stoppers and the Florida Sheriffs Association, $5,000 from the U.S. Marshals Task Force).
- Physical description: White female, approx. 5 ft 3 in, 120 lb, brown hair (often dyed or cut short), hazel eyes.
- Distinctive tattoos: Rose or flower on the left hand, an unidentified tattoo on the right ankle, and a large scorpion extending from the left buttock down the left thigh.
- Aliases: “Harley,” “Jessica Elaine Bowman,” “Jessica Elaine Thrush,” “Jessica Elaine Thrash,” “Jessica Dowdy,” possibly “Denise.”
- Arrests: Bobbi Wagstaff, Martin Leaverton, Sandra Leaverton, Michael Ray White, and Kathleen Morris have been charged with accessory after the fact to capital murder or a capital felony.
Official Statements & Responses
Chief Deputy Dustin Cosson said the priority is to locate Johnson so she can be held accountable. The WCSO warned the public that Johnson is dangerous and urged anyone who sees her to call the sheriff’s office or submit an anonymous tip via Emerald Coast Crime Stoppers.
Verbatim Quotes
- “The next step in this investigation is to hold every single person involved in Jason's death accountable,” — Sheriff Michael Adkinson
- “If you give her a place to stay, help her hide, or lie for her, you will face consequences,” — Sheriff Michael Adkinson
On-the-Ground Reports
Surveillance video captured Johnson near a Destin business shortly after the body was found; the clip was released to aid identification. Authorities note Johnson may claim domestic-violence hardships to solicit rides, money, or shelter.
What's Next
The WCSO continues to coordinate with the Florida Sheriffs Association, the U.S. Marshals Task Force, and neighboring jurisdictions in Florida, Georgia, and Alabama. Tips can be submitted by calling 850-892-8111, texting 850-863-TIPS, or using the P3 Tips mobile app. The reward remains available until Johnson is apprehended.
