8:45 a.m. - Kyron Horman is last seen near his classroom at Skyline Elementary by his step-mother Terri Horman.
9:00 a.m. - Investigators say this was the last time Kyron was reportedly seen but they do not identify who saw him last.
3:45 p.m. - Kyron doesn't get off the school bus. A call to the school reveals that Kyron's teacher has marked him "absent." Kyron is reported missing to 9-1-1. The Portland school district sends out an automated message to parents in the district that "a student is missing." An intensive multi-agency search begins on the ground and in the air.