Bradley testified in front of the Senate Criminal Justice Committee Monday.

The newly appointed head of the Texas Forensic Science Commission testified in front of the Senate Criminal Justice Committee Monday.

The commission is reviewing three cases, including the case of Cameron Todd Willingham's execution.

Willingham was convicted and put to death for starting the fire that killed his three children.

Williamson County District Attorney John Bradley was just appointed by Gov. Perry to head the committee in the middle of their review of the Willingham case.

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	The case continues News 8’s Russell Wilde has more on the ongoing investigation of the Willingham arson case.

Barry Scheck with the Innocence Project contends that current science could show that the Willingham fire wasn't arson.

They have asked the Texas Forensic Science Commission to review the evidence.

"We want to find out if anyone else is in prison based on junk science," Scheck said.

It is a job that forensic scientist Sondra Budge is qualified to handle.

For the last 17 years, Budge has spent her days examining evidence from fires.

"Wood, carpet, glass, concrete, fibers, clothes, we call it burnt stuff," Budge said.

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To view a PDF of the arson report submitted to the Texas Forensic Commission click here.

In the lab, scientists examine the “burnt stuff” to find evidence of accelerants or flammable material that may have been used to start a fire.

Trained investigators take that information and add in what they see in the field to determine if a fire was intentionally set.

"We use 921, NFPA 921, as our standard, it sets out a process," State Fire Marshal's Office Director, Ed Salazar, said.

It is a standard that wasn't used in the Cameron Todd Willingham case.

"It's that simple, so let's get on with that process," Scheck said.

Bradley now said it will take some time before the commission is able to complete its review.

	Sondra Budge has been examining evidence from fires for the past 17 years.

"I hope that the public continues to get the message that it's not the job of the commission to announce whether or not someone is innocent or guilty. That's the job of the court system," Bradley said.

Bradley said the commission's job is to focus on the forensic science and methods used.

"Arson, it's a difficult crime to prove sometimes," Salazar said.

For now, the Texas Forensic Science Commission said its work will continue.

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