Dalston Simpson was convicted of criminal damage to property and criminal gang activity after an armed confrontation at a house party. He argued that the State failed to prove the property damage exceeded the statutory value threshold and that gang-related expert testimony violated the Confrontation Clause. The Georgia Court of Appeals vacated the property-damage conviction because the evidence did not establish the property’s fair-market value beyond the required threshold. It affirmed the gang-activity conviction, holding that the expert’s testimony was admissible under Georgia’s gang-activity statute and did not violate confrontation principles. The court therefore left one conviction intact while remanding for proceedings consistent with the partial vacatur.