6 to Know September 21, 2021 7:06 pm 6 to Know for Sept. 21, 2021 – Update Gabby Petito’s body was positively identified, and her manner of death was ruled a homicide. Here are the top 6 stories for Tuesday, Sept. 21, 2021. US & World Videos 3:39 Behind the making of Bittersweet Muck 1:55 3 undocumented immigrants arrested after woman sexually battered: Deputies 2:56 Legal expert explains possible changes to expect after marijuana declassification 0:32 Teen injured in drone incident at Dania Beach Fishing Pier 0:47 Man hospitalized after being grazed by bullet during alleged road rage incident on I-95 in Miami