 They include the family of Rachel Morin, a Maryland woman whom prosecutors say was killed and assaulted by a fugitive from El Salvador and whose story has been frequently highlighted by Trump on the campaign trail. In the latest signal that the party is solidifying to take on President Biden in November, several of Trump's fiercest GOP primary rivals will also speak tonight. They include former South Carolina Governor Nikki Haley, Florida Governor Ron DeSantis, and biotech entrepreneur Vivek Ramaswamy. Bernie Bennett reporting.