for law enforcement to find him, he just has to make a mistake once. >> wyoming where the couple dined on september 22nd. possibly a valuable time line marker for the fbi also following a complaint, the city of moab is launching an independent investigation in the way officers handled this august 12th incident captured on body cam between gabby and brian. the city says it's unaware of any breach in policy at this time interest in gabby's death and brian's disappearance has stretched coast to coast, sparking conversations about domestic violence. attached to a tragedy miles away >> gabby could be your sibling. gabby could be your friend. >> reporter: but for many hitting close to home. catie beck, nbc news north port, florida. the intense and heavily followed effort to find gabby petito finds a sharp contrast the families of so many of those missing in this country, many people of color feel forgotten. antonio hilton has that story. >> reporter: as gabby petito's case grips the nation, families of color with missing loved ones remind the nation