A Utah judge has ruled that 23-year-old Tyler Robinson will stand trial for the fatal rooftop shooting of conservative activist Charlie Kirk. Civil rights leader Rev. Al Sharpton rejects defamation threats as federal authorities prosecute four out-of-state individuals for making violent threats during the investigation into Nolan Wells' mysterious death. In Pennsylvania, 29-year-old Jakob Korber faces criminal homicide charges after home security camera footage caught him surrendering to police following the brutal beating death of his mother. Sydney Silvagni reports.