The 15-vehicle crash happened Saturday in a curvy area of Interstate 65 "notorious" for hydroplaning. Eight of the victims were kids traveling in a youth ranch van.
Authorities said the shooting happened after an altercation with another man over a dog.
Montgomery is marking the 65th anniversary of the 1955 bus boycott with a series of events.
Investigators are hoping someone can identify a young girl whose remains were found in an Alabama trailer park eight years ago.
NASCAR released on Thursday an image of the noose that was discovered in driver Bubba Wallace’s garage on June 21.
NASCAR stood by its decision to alert federal authorities to a rope that resembled a noose found in Bubba Wallace’s garage stall at Talladega Superspeedway, even after the investigation determined it had been there since at least last October.