12th witness testifies in trial of men accused of posing as DTE workers, Part 1

Forensic analyst Siera Ramirez from the Oakland County Sheriff’s Office testified about DNA evidence in a murder case. Her analysis included items from Hernandez’s Jeep, with DNA results showing strong support for Zauzo on a balaclava mask, Hernandez on another balaclava and a collar swab, and Hussein Murray on a white T-shirt and Timberland boots. Ramirez's investigation was overseen by forensic investigator Valerie Mayra.