the nashua street jail. >> this ain't wall street. this ain't bourbon street. it sure ain't rodeo drive. this is nashua street. >> the new arrivals have not been convicted of the crimes for which they were arrested and are considered innocent until proven guilty. >> come on in, step in. >> those who are not quickly released or bailed out will be housed at nashua until their cases are closed. and every year, thousands of men and women undergo a demanding application process to secure and manage inmates while they're in jail. less than 1% will make it to the final stage, cadet training. >> there was 40 people, 40 candidates that were brought into this academy class. there was upwards of 10,000 applications for the job. >> the cadets must pass a series of difficult tests to become suffolk county jail deputies. >> we teach them everything from