Investigators probing the deaths of a mother and her two young daughters are awaiting the results of autopsies to determine what killed the family members.

As CrimeOnline previously reported, 31-year-old Natalie Chambers and her two daughters, 4-year-old Izabel and 2-year-old Elise, were discovered dead in their SUV Thursday, the day after Chambers left her home in Forney to take her girls to a playdate at a park in Grapevine but did not arrive. They were reported missing Wednesday afternoon, and were found dead the next day inside their blue Ford Escape.

The SUV was reportedly found in a parking lot near Freed’s Furniture store in Farmer’s Brach, about an hour’s drive from Forney.

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Farmers Branch Police Department Officer Steve Rutherford told Fox News that the Kaufman County Sheriff’s Office had advised police to search along the route Chambers was believed to have been traveling, based on concerns communicated by family members.

“Our officers responded to the location, checked the area, and actually located the vehicle in the 4300 block of LBJ freeway,” Farmers Branch Police Department Officer Steve Rutherford told Fox News.

“Upon contacting the occupants of the vehicle, the officers observed there were three occupants inside the vehicle and the tragic discovery was made that all three occupants of the vehicle were deceased.”

According to the report, a worker had seen the vehicle before the discovery of the bodies, but did not notice anything amiss.

“To be honest with you, we didn’t see anything wrong, or gunshots or anything like that, nothing unusual …  The windows were rolled up. We didn’t notice there was someone inside or anything. We didn’t see anything suspicious around the car,” Amado Silva reportedly said.

Rutherford told Fox News that officers were unable to immediately determine what caused the deaths, and police have not said whether they suspect foul play.

Elissa Brabandt, a friend of Chambers, said in an interview with the news outlet that Chambers was in pain from a recent injury, but did not offer specifics.

“We lost a bright light in our life,” Brabandt said.

Authorities are waiting for the autopsy results, which may be ready as early as Friday, to determine a cause of death.

CrimeOnline will provide further updates as more information becomes available.

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