There are several companies that specialize in the deisgn of security electronic systems for jails, prisons and judicial facilities. This is a very specialized field with ever-changing technoligies that need to be constantly researched. I have been responsible for the design and implementation of integrated security systems for 25 years including 40 jails and 18 prisons. I would gladly share my knowkedge with you in regards to these systems. Refer to our website www.arnoldandosheridan.com.