https://cdnph.upi.com/ph/st/th/4151783541948/2026/upi/0c2e33cfe18e86a4a7ac612890d62c59/v1.5/Defense-questions-DNA-evidence-in-Charlie-Kirk-killing.jpg" /> The defense team for Tyler Robinson, who is accused of killing conservative activist Charlie Kirk, was expected to question DNA evidence Wednesday.