United States v. Phillip Clingman, 521 F. App'x 386

Federal investigation tied defendant to an xcon28 Radar.net user account linked to phillipclingman@yahoo.com.
xcon28 page contained multiple images of child pornography; phone and email tied to defendant were used in setup.
Defendant admitted owning the email and phone used; he accessed Greenhouse and TTC computers with internet access.
Crucial witness Craun testified he bought the phone from defendant; phone history showed website access.
Narvaez testified about pornography on TTC computers; defense argued this was outside indictment period.
Court admitted Narvaez testimony as relevant conduct; jury convicted defendant of transporting child pornography.

Issue	Plaintiff's Argument	Defendant's Argument	Held
Rule 16 disclosure and mistrial standard	Rule 16 disclosure not required for the phone image; no mislead by government.	Non-disclosed image material and mistrial warranted; Reeves harmed defense.	No abuse; no mistrial required; image not material to case.
Admission of Narvaez testimony	Narvaez impeachment testimony properly rebutted defendant's denials.	Narvaez testimony was improper prejudicial extraneous conduct.	Admissible as proper rebuttal impeachment under discretion of the court.
Sufficiency of the evidence under 18 U.S.C. § 2252(a)(1)	Evidence linked defendant to xcon28; posts from TTC/Greenhouse images show he uploaded.	Some posts could be attributed to others; defense rebuttal undermines link.	Evidence sufficient for a reasonable jury to convict; strong circumstantial proof.
Sentencing variance and advisory nature of Guidelines	Court properly considered 3553 factors; guidelines advisory; policy arguments insufficient.	Court erred by considering guidelines as mandatory or failing to downward-variance.	Sentence affirmed; court treated guidelines as advisory and did not err in imposing 240 months.
Probation condition restricting internet-enabled devices	Condition properly tailored to prevent further online access by defendant.	Condition premature for appeal given ongoing sentence.	Premature to review; not decided on merits.

United States v. Warshak, 631 F.3d 266 (6th Cir. 2010) (discovery and privacy in digital records)
United States v. Jordan, 544 F.3d 656 (6th Cir. 2008) (Rule 16 materiality and discovery duties)
United States v. Levy, 904 F.2d 1026 (6th Cir. 1990) (mistrial and discovery remedies)
Maples v. United States, 60 F.3d 244 (6th Cir. 1995) (remedies for Rule 16 violations; least-severe cure requirement)
United States v. Dennison, 891 F.2d 255 (10th Cir. 1989) (discusses remedies and prejudice in discovery disputes)
United States v. Bentley, 875 F.2d 1114 (5th Cir. 1989) (alternative remedies for discovery violations)
United States v. Lykins, 428 F. App’x 621 (6th Cir. 2011) (materiality in Rule 16 and rebuttal evidence limits)
United States v. Stevens, 985 F.2d 1175 (2d Cir. 1993) (materiality and precedential interpretation under Rule 16)
United States v. Caro, 597 F.3d 608 (4th Cir. 2010) (pretrial disclosure and materiality standard)
United States v. Presser, 844 F.2d 1275 (6th Cir. 1988) (Rule 16 does not require Brady material disclosure pretrial)
United States v. Markarian, 967 F.2d 1098 (6th Cir. 1992) (impeachment and rebuttal evidence discretion)
United States v. Newsom, 452 F.3d 593 (6th Cir. 2006) (cross-examination scope for credibility impacts)
United States v. Amos, 423 F. App’x 541 (6th Cir. 2011) (standard for reviewing sufficiency of evidence)