Unsecured bail is when you don't have to pay money to be released by the court, but...
Locate the state, then the city or county where you think they are being held.
Unsecured bail is when the court releases you on your signature and your personal word that you will show up to court on your date(s). There is no money that changes hands when an unsecured bail is granted by the judge.
However, if you fail to appear you may owe some money, but that will be least of your troubles.
To find your jail's bail policies, research eligibility for bail, or to search for an inmate or arrestee, begin here: