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.