Tess Chart

Tess Chart is a forensic DNA analyst employed by Bode Technology, a private laboratory accredited by ANAB and the FBI. She testified in Trial 1 on Day 24 about mitochondrial DNA analysis performed on a hair sample recovered from Karen Read's vehicle. Her testimony established that the hair sample was consistent with John O'Keefe's mitochondrial DNA profile and that at least 99.89% of the population could be excluded as a possible source.