| ~~~Date~~~  | ~~~~~~~Proceedings  and  Orders~~~~~~~~~~~~~~~~~~~~~ | 
| Dec 17 2010 | 
Petition for a writ of certiorari and motion for leave to proceed in forma pauperis filed. (Response due February 22, 2011)  | 
| Feb 4 2011 | 
Waiver of right of respondent Illinois to respond filed.  | 
| Feb 17 2011 | 
DISTRIBUTED for Conference of March 4, 2011. | 
| Feb 24 2011 | 
Response Requested . (Due March 28, 2011)  | 
| Mar 29 2011 | 
Order extending time to file response to petition to and including April 27, 2011.  | 
| Apr 27 2011 | 
Brief of respondent Illinois in opposition filed.  | 
| May 4 2011 | 
Reply of petitioner Sandy Williams filed.  (Distributed) | 
| May 11 2011 | 
DISTRIBUTED for Conference of May 26, 2011. | 
| Jun 23 2011 | 
DISTRIBUTED for Conference of June 27, 2011. | 
| Jun 28 2011 | 
Motion to proceed in forma pauperis and petition for a writ of certiorari GRANTED.  | 
| Jul 29 2011 | 
The time to file the joint appendix and petitioner's brief on the merits is extended to and including August 31, 2011. | 
| Jul 29 2011 | 
The time to file respondent's brief on the merits is extended to and including October 19, 2011. | 
| Aug 1 2011 | 
Consent to the filing of amicus curiae briefs, in support of either party or of neither party, received from counsel for the respondent. | 
| Aug 23 2011 | 
Joint appendix filed.  (Statement of costs filed) | 
| Aug 31 2011 | 
Brief of petitioner Sandy Williams filed.  | 
| Sep 1 2011 | 
Consent to the filing of amicus curiae briefs, in support of either party or of neither party, received from counsel for the petitioner. | 
| Sep 7 2011 | 
Brief amici curiae of California Public Defenders Association, et al. filed.  | 
| Sep 7 2011 | 
Brief amicus curiae of the Innocence Network filed.  | 
| Sep 7 2011 | 
Brief amicus curiae of Richard D. Friedman filed.  | 
| Sep 7 2011 | 
Brief amici curiae of Public Defender Service for the District of Columbia and National Association of Criminal Defense Lawyers filed.  | 
| Sep 12 2011 | 
SET FOR ARGUMENT on Tuesday December 6, 2011. | 
| Sep 14 2011 | 
CIRCULATED | 
| Sep 27 2011 | 
Record received from Supreme Court of Illinois.  (1 envelope) | 
| Sep 27 2011 | 
Record received from  State Appellate Defender First Judicial District. ( 1 box) | 
| Sep 30 2011 | 
Record received from Appellate Court First District of Illinois.  (1 envelope) | 
| Oct 19 2011 | 
Brief of respondent Illinois filed.  (Distributed) | 
| Oct 26 2011 | 
Brief amicus curiae of the United States filed.  (Distributed) | 
| Oct 26 2011 | 
Brief amici curiae of National District Attorneys Association, et al. filed.  (Distributed) | 
| Oct 26 2011 | 
Brief amici curiae of New York County District Attorney's Office, et al. filed.  (Distributed) | 
| Oct 26 2011 | 
Brief amici curiae of Ohio, et al. filed.  (Distributed) | 
| Oct 26 2011 | 
Motion of the Solicitor General for leave to participate in oral argument as amicus curiae and for divided argument filed.  | 
| Nov 14 2011 | 
Letter from counsel for the petitioner proposing to lodge copies of a written report of  a laboratory examination conducted by Cellmark Diagnostics on February 15, 2010. (Distributed) | 
| Nov 18 2011 | 
Reply of petitioner Sandy Williams filed.  (Distributed) | 
| Nov 22 2011 | 
Motion of the Solicitor General for leave to participate in oral argument as amicus curiae and for divided argument GRANTED.  | 
| Nov 25 2011 | 
Letter received  from counsel for the respondent objecting to the proposed lodging of the Cellmark Diagnostics report of February 15, 2010. (Distributed) | 
| Nov 30 2011 | 
Petitioner's lodging approved. | 
| Dec 1 2011 | 
Lodging consisting of the forensic report prepared by Cellmark Diagnostics received. (Distributed). | 
| Dec 6 2011 | 
Argued.  For petitioner:  Brian W. Carroll, Chicago, Ill.  For respondent:  Anita Alvarez, State's Attorney, Chicago, Ill.; and Michael R. Dreeben, Deputy Solicitor General, Department of Justice, Washington, D. C. (for United States, as amicus curiae.) | 
| Jun 18 2012 | 
Adjudged to be AFFIRMED Alito, J., announced the judgment of the Court and delivered an opinion, in which Roberts, C. J., and Kennedy and Breyer, JJ., joined.  Breyer, J., filed a concurring opinion.  Thomas, J., filed an opinion concurring in the judgment.  Kagan, J., filed a dissenting opinion, in which Scalia, Ginsburg, and Sotomayor, JJ., joined.  | 
| Jul 18 2012 | 
Record returned to Supreme Court of Illinois. | 
| Jul 20 2012 | 
MANDATE ISSUED. |