Cristal has 20 years of experience as a full time firefighter with 13 of those being on the Fire Investigation Unit. She is a Certified Fire and Explosion Investigator (CFEI), a Certified Vehicle Fire Investigator (CVFI), and a Certified Fire Investigator (CFI) with immense experience as an expert witness for cause and origin cases. Cristal is a member of Metro Fire Investigations Training Association, an Origin and Cause and Fire Investigations instructor for a large municipality’s fire department. She has also completed numerous fire related schools and courses.