This Large Jail Network meeting took place January 30-February 1, 2005, in Longmont, Colorado. Contents of these proceedings include: NICs Core Competency Model Project: Preparing Leaders in Corrections for the Future by Robert Brown; Training as a Strategic Management Tool by Tom Reid; Legal Issues and Mentally Ill Inmates by Bill Collins; Mental Health Services in Jails: Identifying Problems by Joel A. Dvoskin; Informal Announcements by David Parrish; Mental Health Issues: Open Forum Discussion by Collins and Dvoskin; Announcements by Representatives of Professional Associations; Justice and the Revolving Door: the Jacksonville Experience in Recidivism Intervention by Gordon Bass; Data Technology: Management, Sharing and Mining by Tom Merkel; Corrections into the Next Decade: The Use of Data in Modern/Urban Jails by Scott Bradstreet; Implementing Core Values and Mission Statement by Robert Hinshaw; Discussion of Topics for the Next Meeting by Richard Geaither; meeting agenda; and meeting participant list.