mom passed away last year and her assests were controlled by my brother who proceeded to take everyhtingex: her car her condoand all the childrens inh

There is no formal reading of a will.  However, the will must be recorded and can be found at the probate court of the county in which your mother lived.  If your brother was named as the executor, then you have the right to make a demand for an accounting.  If your brother refuses, you can seek to have him removed as executor and then some one else can administer the estate.