Karen Read 1-7: Nick Guarino Testimony P1

Parsing the Truth: One Byte at a Time · Apr 16, 2026 · 44m · transcript

Nick Guarino's testimony centers on digital artifacts and the analysis of data. We're breaking down the first half of his testimony, where he shares the data he dug into to uncover the facts of this case. This is part 1 of 2 for Nick Guarino's testimony.

This is episode 7 of our deep dive into the 2024 Karen Read trial.

Testimony provided by: Nick Guarino, Trooper

Digital forensics tools mentioned:

GrayKey

Cellebrite

Digital forensics artifacts mentioned:

KnowledgeC.db

Biomes

Safari / WAL files

Call History Database & WAL filess

Key Terms:

Hos long to die in cold

How long ti die in cikd…