The reasons for different categories is for escape risk – escape being the antithesis of a utilitarian purpose of prison, that of incapacitation. Those who are unlikely to seek to escape – prisoners serving short sentences or near the end of their sentence so have little reason to risk having their sentence extended – are those kept in more comfortable conditions. The measure in Connecticut meanwhile is a last minute political fudge, and one brought in solely to appease those who demand irrational justice policies such as retributivism.