Mills said the Bowden family had been informed of the deaths.
John Madden and Bowden's daughter Ginger divorced in January after 22 years of marriage.
The driver of the truck, Danny Headley, was not injured.
In other college football news:
* LSU coach Nick Saban said he is unsure whether Marcus Randall or JaMarcus Russell will start against Arkansas State on Saturday. Both struggled in the No. 6 Tigers' 22-21 victory over Oregon State on Saturday.
* Ryan Moats rushed for 257 yards, including three touchdowns, as Louisiana Tech beat Nevada, 38-21, in Ruston, La.
* Former Sixers center Dikembe Mutombo said he has agreed to a trade that will send him from Chicago to Houston for shooting Eric Piatkowski, forward Adrian Griffin and point guard Mike Wilks.
* Former lightweight champion Paul Spadafora was charged in Mercer, Pa., with public drunkenness and acting dangerously in a car, his third arrest in less than a year. Spadafora was a passenger Sunday when he tried to put the car in park while it was moving, police said. He was in jail after failing to post $10,000 bond.
* DM Shicago, a 2-year-old gelding, ran the fastest 440 yards in the history of the All American Futurity to win the $2 million sprint in Ruidoso Downs, N.M. Ridden by Juan Vasquez, DM Shicago went the 440 yards in 21 seconds, the fastest trip since that distance became the standard for the futurity 31 years ago.
* Elliott Sadler raced to his second victory of the season Sunday night at California Speedway and all but wrapped up a spot in NASCAR's new championship playoff. *