California authorities conducting extensive search for missing Hart children

California Highway Patrol officers and deputy sheriffs from Mendocino and Alameda counties gather after a search for three missing children Wednesday, March 28, 2018, at the site where the bodies of Jennifer and Sarah Hart and three of their adopted children were recovered two days earlier, after the family's SUV plunged over a cliff at a pullout on the Pacific Coast Highway near Westport, Calif. Three of the children, Devonte Hart, 15, Hannah Hart, 16, and Sierra Hart, 12, have not been found. (Alvin Jornada/The Press Democrat via AP)

MENDOCINO COUNTY, Calif. – Wednesday morning, dozens of search and rescue crews will try to find the three missing Hart children in Mendocino County, Calif.

More than 70 crews will search by air, land and sea about 15 miles south of the crash site in Mendocino County. They plan to begin the search at 8 a.m. during low tide conditions. The base of the search operation will be at the MacKerricher State Park.

They’ve determined the search area based on ocean currents and the U.S. Coast Guard’s analysis of drift patterns.

Jennifer and Sarah Hart and their three adopted children, Markis, Abigail and Jeremiah – were found dead at the bottom of a cliff near Highway 1 on Monday, March 26.

Police say data from the car leads them to believe the crash was intentional.

They say they have no reason to believe the three missing children, Devonte, Sierra and Hannah, weren’t with the rest of the family at the time of the crash.

But, California Highway Patrol is still searching the travel route, which police say included stops in Newport, then down the California coast on Highway 1.

Police released a photo of a woman who they believe is Jennifer Hart in Fort Bragg, Calif. The photo was taken on March 25, the day before the family was found dead. Fort Bragg is about 20 miles south of the crash site.

The family left their home in Woodland, Wash. a couple days before the crash after a Washington Child Protective Services worker stopped by to investigate allegations of abuse or neglect.

A neighbor who was concerned for the kids’ safety had called authorities.

READ MORE: Investigators seize iPad, laptop from Washington family's home in search warrant

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