SPOKANE -- The 3-year-old who survived a car accident that killed his parents and a wrong-way driver is home in the Tri-Cities and doing well.
Brennen Davidson was released Wednesday from Spokane's Sacred Heart Medical Center.
His grandfather, Stephen Metzger, said Brennen is doing well.
Brennen, who was strapped into a car seat, had a large cut on his head from something that flew around in the car during the accident, Stephen Metzger said.
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Now, after surgery, Metzger said Brennen has "an oversized Harry Potter scar."
Brennen's parents, Heather Davidson, 27, of Richland, and Stephen Metzger II, 30, of Kennewick, were killed in the five-vehicle collision Sunday evening on Interstate 82 near the Dallas Road exit.
They died when a pickup going the wrong way in dense fog hit Davidson's westbound car. The family's car was then struck by three other vehicles.
The driver of the pickup, Marco De La Mora, 26, of Pasco, also died.
His family has said complications from De La Mora's diabetes might have been a factor in the crash.
The Washington State Patrol is continuing to investigate, and toxicology tests will be done as part of that probe. It could take weeks to get test results.
There was no indication at the scene of alcohol or other drugs being involved in the collision, said state patrol Lt. Roger Wilbur on Thursday.
Investigators are continuing to try to track down witnesses who might have seen De La Mora's car on I-82 before the crash. There was not a lot of traffic on the road Sunday night, likely because of the fog and icy road.
There was speculation that De La Mora got on I-82 going the wrong way at Dallas Road, but Wilbur said they have one witness who saw him on I-82 near the Interstate 182 interchange, about three miles west of the collision scene.
What's unknown is where De La Mora was heading and where he began going the wrong way.
No criminal charges will be filed because De La Mora was killed, and that limits investigators' access to some records, Wilbur said.
"I don't know if we'll be able to track it down for certain," he said. "But we owe it to the families to do as thorough of an investigation as we possibly can."
Meanwhile, family members of Davidson and Metzger said their funeral service is being moved to the Richland Baptist Church, 1632 George Washington Way. It will be held at 3 p.m. Saturday.
Metzger recently had finished his degree in renewable energy technology, and his father said he had been hired to work at Amazon in Kennewick.
"God, everything was just going for him," Stephen Metzger said.
His son had served five years in the Marine Corps, in Afghanistan and Iraq. He was a helicopter crew chief and was involved in the mission to rescue prisoner of war Jessica Lynch from an Iraqi hospital in 2003.
Metzger and Davidson, a medical assistant, had been looking for an apartment to move in together, Stephen Metzger said. They were excited to be able to move in before Christmas and to decorate Brennen's room.
The family is accepting donations for Brennen to an account with Community First Bank.
-- Reporter Paula Horton contributed to this report.
* Kristi Pihl: 509-582-1512; firstname.lastname@example.org