This document describes a study that developed a method for tracking children and adolescents with severe emotional disturbances as they moved through the state mental health system. The researchers aimed to collect data on the children's placements, services received, and associated costs over time. They encountered difficulties obtaining complete case histories and data from previous providers. However, they were able to develop a linear tracking method focused on following the money trail of mental health funding. The researchers collected baseline data on the children's histories prior to admission to the state psychiatric hospital where the study was based. They administered assessments and gathered data on placements, services, costs, and outcomes up to one year after discharge from the hospital. The goal was to better understand these children's journeys through the