, your son was adopted by someone else) without you understanding that was what the
papers were for, and if they will not produce copies of the
papers that supposedly did that, in your shoes I would talk to an attorney and explain that this adoption seems fradulent and you think it is. Your attorney can at least get the papers and see if they are legitimate, and also can make a case in court that you didn't know what the papers were for, if they do indeed sign over your rights to your son.