Friday June 4
8 a.m. - It's Science Fair Day at Skyline Elementary School. Kyron Horman, 7, and his step-mom arrive at school.
8:45 a.m. - Kyron says goodbye to his step-mom in the hallway and goes toward his classroom. He is last seen near his classroom, near the south entrance to school.
3:45 p.m. - Kyron doesn't get off the school bus. His step-mom calls the school and finds out his teacher has marked him absent. His step-mom calls 9-1-1. The Portland school district sends out an automated message to parents in the district that a student is missing.
An intensive search begins on the ground and in the air. Multiple agencies are involved.
Saturday, June 5
The search continues through the night and through the weekend. A tip line is set up: 503-261-2847.
Sunday, June 6
Parents of other children at the school are interviewed at the school on a staggered basis in hopes of developing new clues that could lead investigators to the missing boy.
Monday , June 7
Skyline Elementary reopens with new security measures in place. Investigators continue to search for Kyran Horman.