Darryl Heller is a nationally known expert in tracking and impression interpretation. Darryl Heller has used his tracking expertise to locate suspects from hundreds of crime scenes. (Retired) Sgt. Heller has testified dozens of times regarding impressions left behind at the crime scene.
Heller shows students how to determine the people involved, the events that occurred, and the circumstances surrounding major crime scenes using impression evidence.
Darryl Heller is retired from the San Bernardino County Sheriff's Department but still stays active with the department's Search and Rescue units. San Bernardino County is 20,000 square miles with two National Parks where people often get lost or stranded.
Sgt. Heller now joins the CSI Training Unit team to share his expertise in this 3-day class on impression interpretation.