. >> more than 12,000 people a year pass through the walls of suffolk county jail. y been convicted and serving short sentences, most arrived here having only been accused of a crime. if they don't make bail they will stay until their case is resolved. for some, that time could be measured in months, if not years. >> we're not necessarily housing people, very violent crimes with people with completely non-violent crimes but it's a maximum security facility. if you're one of the nonviolent one, it's something you definitely need to get used to. >> with an average daily population of 2,700 male and female inmates, someone reaches their boiling point virtually every day of the week. >> on the ground! >> we're back -- >> the most common violation is fighting. it's common to fight for them over rivalries and gang differences. people get transferred into new units. so new inmates come in, detainees come in and they go right at it and they end up here. >> here is the segregation unit where inmates are placed after fights or other serious disciplinary violations. other than