Texas Forensic Science Commission

Licensing Advisory Committee Members 
Photo of Thomas Ashworth

Thomas Ashworth

Thomas Ashworth is Chief of the Misdemeanor Division serving under Collin County District Attorney Greg Willis. After several years with the misdemeanor and felony trial teams, he moved to the Special Prosecutions Unit, which handles complex matters, organized crime, and high profile cases. Mr. Ashworth is a member of the office’s Training Committee and regularly gives talks to prosecutors and... Read more

Photo of Chris Heartsill

Chris Heartsill

Chris Heartsill received his B.S. degree in Chemistry from East Central University in 1991.  Mr. Heartsill has been working in analytical chemistry for over 23 years with more than 20 years forensic science experience including the areas of human performance forensic toxicology, postmortem forensic toxicology, and forensic laboratory quality management.  Mr. Heartsill is currently the Quality Manager for the Tarrant... Read more

Photo of Greg Hilbig

Greg Hilbig

Greg Hilbig is the Regional Laboratory Manager of the Texas Department of Public Safety Tyler Regional Crime Laboratory.  He received his B.S. in Biomedical Science from Texas A&M University in College Station in 1995.  He received his M.S. in Pharmacy with a concentration in Forensic DNA from the University of Florida in 2005.  Mr. Hilbig is a Technical Assessor with... Read more

Photo of William M. Hines

William M. Hines

William Hines, J.D. of Austin is the senior partner for Hines Ranc & Holub. He is Board Certified in Criminal Law and previously served as an Assistant District Attorney in Travis County.  Mr. Hines was an Instructor at the University of Texas School of Law in Trial Advocacy and served as the President of the Criminal Law section of the... Read more

Photo of James T. Miller

James T. Miller

James T. Miller is currently Manager of the Controlled Substances section with the Houston Forensic Science Center in Houston, Texas. He received his undergraduate degree in chemistry from Ouachita Baptist University in Arkadelphia, Arkansas and a Master of Chemistry from Rice University in Houston. Mr. Miller has over 25 years of experience in forensics with primary emphasis in the controlled... Read more

Photo of Robert Sailors

Robert Sailors

Robert Sailors has worked in the Forensic Biology Section of the Bexar County Criminal Investigation Laboratory as a Forensic Scientist since 1997 and as the Local CODIS (Combined DNA Index System) Administrator since 2003.  He routinely performs forensic DNA casework providing scientific reports and expert court testimony for investigating agencies both within and outside of Bexar County.  He is a... Read more

Photo of Timothy Sliter, Ph.D.

Timothy Sliter, Ph.D.

Dr. Sliter is Chief of the Physical Evidence Section at the Southwestern Institute of Forensic Sciences where he directs the DNA, Firearms, and Trace Evidence Units.  He previously served as Biology Unit supervisor and DNA Technical Leader.  Dr. Sliter is Associate Professor in the Department of Pathology at the University of Texas Southwestern Medical Center.  Dr. Sliter received his Bachelor’s... Read more

Photo of Michael Ward

Michael Ward

Michael Ward is the Forensic Supervisor of the Firearm & Toolmark Unit of the Fort Worth Police Department Crime Laboratory. Mr. Ward is a Distinguished Member of the Association of Firearm and Toolmark Examiners (AFTE) and is certified in Firearms Evidence Examination and Identification by AFTE. He is an ASCLD/LAB-International Certified Technical Assessor, previously held an International Association of Identification... Read more

Photo of Katie White

Katie White

Katie M. White is a Research Microscopist with Microtrace LLC, a private forensic consulting laboratory offering expert microanalytical services to clients in many industries. She received her B.Sc. (2008) and M.Sc. (2010) degrees in Forensic Science from the University of Central Florida, with coursework, teaching, and research focused on trace evidence analysis. In addition to her role as a scientist,... Read more