of them children, have been kidnapped. what we're now learning. marcus moore on the ground in haiti. the battle over mandates tonight. parents pushing back. and this evening, what they say when asked if they got their children other vaccinations when they were young. and news tonight on the virus. where they're seeing a delta sub variant. why authorities say it requires urgent research. overseas tonight, china denying it has tested a new supersonic missile, reportedly flying five times the speed of sound. how would you track it if it was carrying a nuclear weapon? and was u.s. intelligence caught offguard? jury selection under way tonight in the murder of ahmaud arbery. three white men, including a father and son, accused of killing arbery. and now the key video that will be at the center of this trial. the abc news exclusive. the former british spy behind the infamous steele dossier. investigating possible linked between then candidate donald trump and russia.