He wouldn't under that type of senerio of hearing a police report. Which says Clements possibly was a courier and either had a following escort or an unfriendly following him.
Monterey Herald:
"The week before his unexpected death was a busy one for Clements. He was overseeing the movers, making his family's travel arrangements and had just bought a two-story, custom-built home one hour south of Alexandria.
Clements flew his family to Pennsylvania, where the family's other car, a silver BMW, was waiting at his father's Dover Township home. He flew back to California the same day - on Friday - to pick up the van and the dog. He immediately set out on a cross-country trip to join his family and called his wife on Friday and Saturday. She never heard from him on Sunday.
The first indication the family had of Clement's death was a Sunday night call from Oklahoma state troopers to his father, saying that his son's briefcase, a laptop computer and his new military orders had been found in the water..."