The expert says on the day she died Sandra search what is the color of the suicide ribbon

FBI expert says There are some references related to suicide in her devices, yes. Facebook message sent asking Farwell for forgiveness to unknown receiver 3/26/20 I’m in tears. Not okay at all, really struggling and want to KMS

The expert says Farwell rejected a Sandra Birchmore friend request sent 3 years later in 2015 (when she was 18)

Under defense questioning the FBI expert agrees Farwell removed Sandra as a Facebook friend Dec. 27, 2012 two months after he first sent her the friend request.

Expert admits under defense questioning that more messages came from Sandra to Matthew than Matthew to her.

Defense asks whether any of those 24,000 messages involved another Farwell, Matthew's brother William. Expert says no. It's all with Matthew.

FBI expert says there were @240 thousand messages on Sandra Birchmore's devices. He estimates about ten percent were with Matthew Farwell. about 24,000. @7News

FBI expert shows Matthew Farwell sent Sandra a Facebook friend request way back in 2012. She accepted. She was 15 at the time. @7News

The FBI expert shows a "note" Sandra took on her phone with "Names for baby 2021: Madelyn Nicchole Abby Rose (Nicole) Lilly Elizabeth Cayden Matthew"

FBI expert showed searches on Farwell's phone from Feb. 9, 2021 (more than a week after Birchmore's death) They include "can you revoke consent in Massachusetts" and "can delete imessage be recovered by cellbrite" Cellbrite is a law enforcement tech tool to find info on phones

Beckstrom says (on the night Sandra died) her phone last locked at 9:10 pm after registering six steps. The phone stayed locked but moved 8 steps (about 18ft.) a half hour later (9:40:19pm) .

Beckstrom also talking about data that shows when the phone was moving and when it was not. Prosecutors will present information of when Sandra Birchmore's phone stopped moving to indicate when she may have died.

Beckstrom still identifying Sandra Birchmore's phones and laptop that we will eventually hear about messages from .

FBI digital forensic examiner Christopher Beckstrom now taking the stand. Expected to talk about text messages extracted from Sandra Birchmore's laptop.

Former Stoughton Police dep. chief Holmes who handled internal investigation of Matthew Farwell back on stand as trial resumes. Defense continuing cross examination @7news