Authorities in Florida are accusing a 51-year-old woman of shooting and killing two ex-husbands on the same day this week. Susan Erica Avalon was arrested on Thursday on charges of second degree homicide in Manatee County, where her first ex-husband lived, according to Sheriff Rick Wells.(snip) It all started on Wednesday afternoon when the Manatee County Sheriff's Office received a call to respond to a shooting in the Heritage Harbor neighborhood, according to Wells. When deputies arrived, they saw a 54-year-old man with two gunshot wounds. He was shot in the abdomen, Wells said in a press conference Thursday. "The...