where do you find lawyers that will work at no charge?
You may find pro bono lawyers in many communities. You might wish to contact a local lawyer and see if he/she does pro bono work for the type of legal assistance that you require.
If you merely wish to see if you have a case, many lawyers will offer a free initial consultation to evaluate your options. In High Point, North Carolina, a lawyer who will do this is the Stewart Law Firm in High Point, NC