The public trail
These excerpts reproduce relevant details from Part 1. Match them to details used in the inbox. Public availability is a possible source; it does not prove exactly how the sender obtained them.
S01 · ProNet career profile
Alex Jordan Rivera
Junior Robotics Technician @ Northbridge Robotics, Inc.
Brookfield High School alum. Mentors the school robotics club.
S02 · SocialSphere profile and posts
@alexjriv · Alex Rivera
From: Brookfield, Pine State · Pet: Nova
“RSVP’d to MountainFest. See you all on Oct 10–15!”
“Big milestone at work—wired my first control board at Northbridge Robotics!”
S03 · DineRate review
Brewed Awakening Café · ★★★★★
Alex Rivera: “Love the cold brew flight. Barista remembered my dog Nova!”
S04 · Brookfield High Volunteer Roster
Sharing: Anyone with the link can view
Name: Alex Jordan Rivera
Notes: Parent pick-up list (Friday), bring Nova to demo day.
Investigate the connection
Find at least three details that make M02 feel personal. For each, record the source ID and explain why the detail is not proof of the sender’s identity.