Brown v. State, 300 Ga. 446

On Sept. 21, 2012, Curtis “C J” Jordan (a Bloods associate) was fatally shot; multiple eyewitnesses identified Ramel Brown as the shooter with a shotgun.
Brown was indicted for malice murder, two counts of felony murder, aggravated assault, possession of firearms, and criminal street gang activity; convicted on all counts at trial.
Trial evidence included eyewitness identifications and testimony from a gang investigator (Officer Underwood) who relied on internet images (YouTube/Twitter/Facebook) to link Brown to Young Choppa Fam (YCF).
The trial court later granted a new trial solely on the criminal street gang activity count, finding the internet exhibits not properly authenticated; the State nolle prossed that charge.
Brown appealed, arguing the admission of the unauthenticated gang evidence required reversal of all convictions and that a prior 2011 conviction (admitted to prove gang existence) was improperly admitted.
The Court of Appeals affirmed: it found the erroneous admission of gang internet exhibits harmless as to the remaining convictions given overwhelming eyewitness evidence, and upheld admission of the prior conviction as non-prejudicial to other counts.

Issue	Plaintiff's Argument	Defendant's Argument	Held
Whether admission of unauthenticated internet exhibits proving gang activity requires reversal of all convictions	Brown: the improperly authenticated exhibits infected the entire trial and require reversal of all convictions	State: even if exhibits were improperly admitted, they related only to gang count and did not affect other convictions because of other strong evidence	Court: Any error was harmless as to murder and related counts given overwhelming eyewitness identification; affirmed convictions
Whether admitting Brown’s 2011 prior conviction (guilty plea) to prove gang existence was improper and prejudicial to other counts	Brown: prior conviction should not have been admitted and may have prejudiced jury on non-gang counts	State: conviction admissible to show gang existence; trial court limited jury use to gang count; jury presumed to follow limiting instruction	Court: Admission was proper for gang-purpose; because jury was instructed to consider it only for gang count and evidence of guilt on other counts was overwhelming, no reversal warranted
Whether evidence was sufficient to support murder and related convictions	Brown: (implicit) challenges sufficiency in light of evidentiary errors	State: eyewitness testimony and forensic/medical evidence established guilt beyond reasonable doubt	Court: Evidence sufficient under Jackson v. Virginia; convictions upheld

Jackson v. Virginia, 443 U.S. 307 (establishes sufficiency-of-the-evidence standard)
Smith v. State, 299 Ga. 424 (2016) (harmless-error analysis under OCGA § 24-1-103(a))
Dennis v. State, 263 Ga. 257 (1993) (presumption jury follows limiting instruction)
Malcolm v. State, 263 Ga. 369 (1993) (vacatur of redundant felony-murder verdicts by operation of law)