Search intensifies for Gabby Petito's missing fiancé

Authorities brought in dive teams to comb through a dense swamp preserve in Florida as they searched for Brian Laundrie. The remains of his fiancé, 22-year-old Gabby Petito, were recovered in Grand Teton National Park in Wyoming earlier this week. CBS News' Jericka Duncan has more on the search efforts. Then, Alfredo Garcia, a former assistant state attorney in Florida and professor at St. Thomas University College of Law, joins CBSN's Lana Zak with his legal analysis of this case.