On July 5, 2003, Sandra Rozzo was gunned down inside her car in Florida. Suspicion immediately focused on her ex-boyfriend, Tracey Humphrey, and before her death Sandra had filed charges of rape and assault against him. But Tracey had an air-tight alibi.?So if he did not pull the trigger, who did? “48 Hours" Correspondent Maureen Maher reports. This classic "48 Hours" episode last aired on 7/26/2008. Watch all-new episodes of “48 Hours” on Saturdays, and stream on demand on Paramount+. To learn more about listener data and our privacy practices visit: https://www.audacyinc.com/privacy-policy Learn more about your ad choices. Visit https://podcastchoices.com/adchoices