Briscoe ex rel, Taylor v. Barnhart, 425 F.3d 345 (7th Cir. 2005) (1. ALJ did not properly determine onset of disability, 2. ALJ could not ignore statements of claimant about intensity and persistence of his pain just because supporting witness was not credible; 3. ALJ's credibility determination was in error; 4. ALJ was required to describe outcome of his promise to search for missing application and explain why he proceeded without it; 5. conclusion could not be made as to whether claimant was disabled before particular date on evidence in record, and further proceeding required. barrylaw@core.com