It should not, but must be disclosed on the I-485 and whenever ready to file it, give the certified criminal disposition to the attorney working on the case for final advice
This is not legal advice and a client attorney relationship is not created. For a free consultation call (718)234-5588.
It really depends on the exact code of how the case was disposed of but it sounds like it will not stop his green card. He will need a certified disposition and he must disclose it on his adjustment application. I would urge you to consult with an experienced immigration attorney to review the citation and disposition before filing.
DISCLAIMER: The information you obtained in this answer is not, nor is it intended to be, legal advice and it should not be construed as a formation of a client-attorney relationship or legal representation, which can only occur after the execution of a formal engagement letter or retainer agreement. For a FREE Consultation call (212) 804-5770 or visit us at www.StatusImmigration.com
I agree with my colleagues. Discuss your case with a competent immigration attorney.
This response is general in nature and cannot be construed as legal advice, given that not enough facts are known. Any comments offered on Avvo are of a general nature only, and are not meant to create an attorney-client relationship. If you would like additional information based on this response, please contact my office at 510 657 7665 to schedule a consultation.