It has been one year since a Nassau County mother of three disappeared.
Joleen Cummings' body has never been found.
Now investigators are focused in on the only suspect in her murder case Kimberly Kessler, a co-worker who was charged in Cummings' murder.
Dan Mckinney, who is retired with the Department of Defense uses infrared and sonar technologies to look for local missing people.
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“If something is lost, it needs to be found.” Mckinney said.
He’s spent countless hours looking for Cummings near bodies of water, truck stops and wooded areas of County Road 210.
Mckinney also focuses on places Kessler was known to frequent in the past.
He’s searched for missing people for years, in that time he has found two bodies.
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He’s hopeful one day Cummings remains are found and her family finds peace
“It’s her mother who inspired me to search because she would not quit searching.” Mckinney said.
Cummings' mother did not want to talk on camera Monday as this time is extremely difficult for her and her family -- since it is also Joleen’s birthday.
Her mother has made several public posts on social media asking for prayers in the hopes her daughter's remains will one day be found.
- New jailhouse recordings of Kimberly Kessler released in missing Nassau County mother case
- New video: Investigators tell Kimberly Kessler they've found Joleen Cummings' blood on her shoes
- Blood found on Kimberly Kessler's sock, boot almost exact match to Joleen Cummings
- Report: Kimberly Kessler asked how another inmate accused of murder hid body
- Newly released documents shed light on what may have happened to Joleen Cummings
- TIMELINE: The disappearance of Joleen Cummings
- Customers told Action News Jax there was tension between Kessler and Cummings
- Community raises money for Joleen Cummings' children
- Items of interest found in Joleen Cummings landfill search, Sheriff says
- Newly released documents shed light on what may have happened to Joleen Cummings
- Kimberly Kessler, suspect in Joleen Cummings disappearance, made first court appearance
- Report: Kimberly Kessler asked how another inmate accused of murder hid body
- Documents released in investigation involving missing Nassau County mom
Cox Media Group