The relationship designates MJM as the managing partner for all investigative assignments conducted by Matrix Absence Management throughout the country. The program provides investigation and surveillance, integrated Internet-based technologies, and enhanced antifraud programs and measurement tools. Raleigh, N.C.-based MJM-a provider of investigative products and services to insurers, self-insured corporations and third-party administrators-and Matrix Absence Management-a San Jose, Calif.-based firm that provides customized management of disability, workers compensation and family leave programs-formed the Matrix Absence Management SIU Program. to provide anti-fraud programs and services to Matrix's clients. said it has partnered with Matrix Absence Management Inc. Partnership offers special investigation program