With out any facts, it is impossible to give an answer.
Your brother needs experienced local counsel to assist with these charges. He is presumed innocent until proven guilty beyond reasonable doubt. If you cannot find a local attorney on Avvo, a good place to look is the website for the National Association of Criminal Defense Lawyers (NACDL.org) Speak to several attorneys and hire the one that makes you feel confident and comfortable.
NACDL local members: http://tinyurl.com/8ru8wtv (https://www.nacdl.org/impak/cms/members_online/members/findalawyer.asp)
NACDL Local affiliates: http://tinyurl.com/8akw2gd