People v. Lewis, 2017 IL App (1st) 150070

In 2010 Barron Lewis was convicted of aggravated criminal sexual assault and sentenced to 15 years; conviction rested on victim C.H.’s testimony and corroborating evidence (roommate, texts, injuries).
At trial the State moved in limine to exclude evidence of C.H.’s positive chlamydia test under Illinois’ rape‑shield statute; the trial court granted the motion.
Defense counsel argued C.H. was positive and Lewis was negative, so the absence of transmission was probative that intercourse did not occur; the court nevertheless excluded the evidence.
On direct appeal the appellate court upheld exclusion, noting Lewis offered no expert proof on transmission/incubation and no proof of his own negative result.
Lewis filed a pro se postconviction petition alleging ineffective assistance of counsel for failing to investigate and introduce his negative chlamydia test results (and other claims later abandoned); the trial court summarily dismissed the petition as frivolous and without merit.
On appeal from summary dismissal the First District affirmed, holding Lewis failed to allege an arguable Strickland claim because (a) the record rebuts that counsel failed to raise the test results, (b) admission would have been of marginal probative value under rape‑shield principles, and (c) there was no arguable prejudice in light of the evidence of guilt.

Issue	Plaintiff's Argument	Defendant's Argument	Held
Whether res judicata bars the postconviction claim	State: this is the same issue (repackaged) that was decided on direct appeal	Lewis: challenge is distinct—now asserts counsel was ineffective for failing to investigate/introduce his negative test results	Not barred: court found the ineffective‑assistance theory distinct from the direct‑appeal challenge to exclusion of victim’s test result
Whether trial counsel was ineffective for failing to investigate/introduce Lewis’s negative chlamydia tests	State: counsel cannot be ineffective for failing to raise a meritless claim and Lewis cannot show prejudice	Lewis: counsel should have investigated, procured records/witnesses, and offered his negative test results to rebut C.H.’s positive test and support admission of her result	Denied: no arguable Strickland claim—record shows counsel raised/testing issue, or admission would have been of minimal probative value under rape‑shield doctrine, and no arguable prejudice given strong evidence of guilt
Whether admission of STD evidence was constitutionally required	State: exclusion was proper under rape‑shield; any probative value outweighed prejudicial effect	Lewis: evidence of differential infection rates was necessary to present a complete defense	Held: constitutional right to present a defense does not require admission of marginally relevant STD evidence; relevancy and prejudice analysis supported exclusion

Strickland v. Washington, 466 U.S. 668 (1984) (two‑prong standard for ineffective assistance: deficient performance and prejudice)
People v. Hodges, 234 Ill. 2d 1 (2009) (first‑stage postconviction review standard; petition not summarily dismissed if arguable ineffective assistance and prejudice)
People v. Santos, 211 Ill. 2d 395 (2004) (Illinois rape‑shield statute and limits on prior sexual history evidence)
People v. Albanese, 104 Ill. 2d 504 (1984) (adopting Strickland standard in Illinois)
People v. Edwards, 195 Ill. 2d 142 (2001) (counsel is not ineffective for failing to make a futile argument)
People v. Guest, 166 Ill. 2d 381 (1995) (reasonableness review of counsel’s investigation decisions)