killed up in here or something. >> i thought it was something for the inmates to mess with. >> it reminded me of star wars, some robots going around picking things up. >> most people call them robots. but technically, they are automated guided vehicles or agvs. >> what they do is they deliver food, supplies, clothing, linen to the housing units here at santa rita jail. we're a half mile fence to fence, so it would take a lot of inmates, a lot of the inmate labor, deputies to supervise is the inmates to transport those items to the units so these robots do it for us. we're the only facility i know that actually has this kind of a system. it runs is 24 hours a day, seven days a week. >> the agvs utilize a wire guided navigation system which is built into two miles of track running between all the jail's housing units and service areas. the series of sensors and infra