Gilliland, because he is funded by the Howard Hughes Medical Institute in Washington, D.
"It was the same suspect going from building to building, " department spokesman Thomas Gilliland said.
Mr Gilliland and Mr Coffey have not responded to the BBC's requests for interviews.
The chief executive, Richard Gilliland, resigned on 30 March as a result of the investigation.
Richard Gilliland, from the Priory Federation of Academies Trust, left due to an investigation into its finances.
BBC: Priory Academy: Report should not be released yet, says MP
The investigation revealed Mr Gilliland had used public money to buy items including "sex games and supplements".
One suspect is in custody, Harris County Sheriff's Office spokesman Thomas Gilliland said in a written statement.
Gilliland wanted the win but was content settling for second on a day his team earned its first victory.
That's when Ragan and Gilliland came charging out of nowhere, sweeping past Edwards and Johnson and to the front.
Heck, Ragan barely even saw teammate David Gilliland hook onto his rear bumper.
Gilliland said yes, but sharing his research before publication didn't come easy.
Gilliland asserts that one of the big factors here is evolving technology.
Richard Gilliland, who was chief executive of the Priory Federation of Academies Trust, resigned in March as a result of the investigation.
"What a great day for Front Row Motorsports, an underfunded team coming in here and being able to finish 1-2 is awesome, " Gilliland said.
Since the committee met, the academies' chief executive officer Richard Gilliland has resigned after a government investigation highlighted "serious failings" in the financial management.
Gary Gilliland, a hematologist at the Dana-Farber Cancer Institute, used a Web discussion board to recruit hundreds of patients willing to give him genetic samples.
The late accident at Talladega opened the door for the duo from Front Row Racing, David Ragan and David Gilliland to finish 1-2 in last week's race.
But although one of them was able to replicate this work in an 1, 100-patient database of tumor samples, Gilliland still got to publish first, keeping his scoop.
At the time, Mr Gilliland was spending Christmas at the French Centre, a study centre in France which was bought by the trust for pupils to visit.
"I wouldn't want to line up and have to do it again, " said Ragan, who didn't realize Gilliland was pushing him until he exited Turn 2 on the last lap.
Earlier Tuesday, Harris County Sheriff's Deputy Thomas Gilliland said authorities received an initial report that the suspect had been wrestled to the ground by a student before campus police arrested him.
It was the second career victory for Ragan he also won at Daytona in July 2011 when he drove for Roush Fenway Racing and Gilliland finished second for a 1-2 finish for Front Row Motorsports.
But Gilliland locked up with Ragan for that last-gasp push to the finish and the Front Row Motorsports drivers sliced their way to the front and put Ragan into Victory Lane for the tiny organization's first victory.
"The result shows that a significant proportion of our staff do not wish to take strike action and would like to work with us in delivering our plans to bring the business into profit, " said Kevin Gilliland of the Post Office.
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