Yes, some defense lawyers work pro bono and that is because they need the practice, and some defense lawyers want to help out someone they think needs their help. Although most defense lawyers want a fee for their services, there are a few that do not. Plus, there are those court appointed lawyers that are chosen by the courts if you can not afford a lawyer.
Lawyers who do pro bono work typically take on cases involving issues such as civil rights, immigration, housing, family law, and criminal defense for individuals who cannot afford legal representation.
"Pro Bono" is short for "pro bono publico", which means "for the public good". It is usually used to describe a lawyer who takes a case for free - so the typical lawyer's fee on a pro bono case is $0. Some lawyers will take a case at a reduced rate (technically, that's not "pro bono") but lawyers fees vary a lot depending on location and type of case, so there is no "typical" lawyer's fee in Tennessee. Most lawyers who do not charge a fee are actually employed by a Legal Aid or Legal Services office (for civil cases), or are assigned counsel under the Indigent Defense Program or work for a Public Defender office (for criminal and some family cases). Links to these offices are at the related link below.
they work for the court that appoints them
One will find that criminal defense lawyers to be part of the government as the field they work in can be classified as 'Legal', they deal with the crimes, victims, and criminals guilty of crimes. Criminal defense lawyers work very closely with the government, since the government is responsible for the crimes of the country.
There are lawyers that work for free on certain types of cases. This is called pro bono work. Generally these are cases of discrimination or high profile cases where the lawyer iews the publicity as more valuable than the fee.
A good website is abanet.com. The offer a large directory of pro bono programs and lawyers all across the united states. Attorneys who do "pro bono" work do so for charities, non-profits and causes that ultimately benefit the greater good. An employment dispute can settled in Small Claims court without legal representation, taken through the EEOC for matters of discrimination/harassment, or taken on contingency if the attorney believes the case has merit and is likely to result in a substantial settlement. Lawyers do not work for free.
Defense lawyers may not always know the absolute truth when representing their clients in court, as their role is to advocate for their client's best interests within the bounds of the law. They work with the information and evidence available to them to build a strong defense.
Pro-bono
I'm sure there are: keep looking.
Bankruptcy attorneys should do their work pro bono.
Lawyers work in many places. Most have an office in an office building where they do their meetings. They spend a lot of time in court houses talking with judges and other lawyers. Some work for corporations and work at the corporate offices. Anyplace there is a business or a courthouse you can find attorneys!
Attorneys generally do not work for "free." Criminal courts appoint lawyers paid by the taxpayers to represent the accused who cannot afford an attorney. These attorney are not "free," but the the client does not pay them directly. Regardless, an attorney is bound by his/her code of ethics to provide the best legal advice. Attorneys who do "pro bono" work do so for charities, non-profits and causes that ultimately benefit the greater good. These attorneys do an outstanding job for the clients. Yes, you can get quality work from the free lawyers. Free lawyers are offered to those who can't afford lawyers and these lawyers are trained just like the other ones.