defendant's amended motion was insufficient because it was not submitted under oath or accompanied by an affidavit.

US v. Kafo, No. 05-3034 (7th Cir. November 03, 2006)

Denial of a motion brought pursuant to 28 U.S.C. section 2255 is vacated and remanded where defendant's amended motion was insufficient because it was not submitted under oath or accompanied by an affidavit. http://caselaw.lp.findlaw.com/data2/circs/7th/053034p.pdf