Investigators found tire marks from braking near the spot where the Porsche left the road.
“That’s part of the evidence that leads us to believe it was a traffic accident and that speed left him unable to negotiate the turn in the canyon,” Hoyal said.
Investigators have sought a blood sample from Keith Brown to check for drug or alcohol use as another possible factor in the crash.
The Lone Peak Police Department, which investigated the sex abuse allegations, referred all questions about the case to the Utah County attorney’s office. A telephone message left for Deputy County Attorney David Sturgill was not immediately returned.
If convicted, Keith Brown could face a sentence of up to life in prison on the first-degree felony and up to 15 years each on the second-degree felonies.
The children had visited their parents at hospitals and were hopeful for speedy recoveries, Thomson said. Their performance schedule would not be affected by the developments, he said.