the manhunt for a California fire chief charged with kiting his fiancee on the run likely in mountains he knows very well. ABC's bazi hkanani has the latest. Reporter: The 12th day in the manhunt for... See More
the manhunt for a California fire chief charged with kiting his fiancee on the run likely in mountains he knows very well. ABC's bazi hkanani has the latest. Reporter: The 12th day in the manhunt for this man, a once esteemed fire battalion chief turned murder suspect on the run. Deputies now combing the vast California wildlands where they say Fleming may be hiding, armed and using his special set of keys to access gated roads and trails. We know that he's educated, that he is -- people have characterized him as intelligent. Reporter: Fleming disappeared may 1st after his 26-year-old fiancee Sara Douglas was found strangled to death. His truck was found a few miles from the crime scene abandoned reportedly with blood on the steering wheel. Investigators say Fleming may have hitched a ride with an escort he contacted through a website. Most likely scenario is somebody picked him up in a vehicle. Reporter: Douglas' family describes their relationship as combative. She considered leaving him days before her murder. Stephanie Douglas was on the phone with her sister late that night and heard arguing. She screamed and it was a shocking scream. Reporter: Meanwhile, Fleming's estranged wife told KXTV he sent text messages begging to reunite two days before the murder. He was saying I want my family back. Come get me. Reporter: Megan Fleming says the last was the most dice turning sent at 2:31 A.M. Hours after Douglas' death. You should have came and picked me up. For "Good morning America," bazi kanani, ABC news, Los Angeles.
This transcript has been automatically generated and may not be 100% accurate.