Four new victims of the June 24 Miami condo collapse were named on Friday Leidy Luna Villalba, a 23-year-old nursing student and nanny for Paraguayan First Lady Silvana Lopez Moreira's family, was named among the dead Another victim was 21-year-old University of Chicago student Ilan Naibryf Benny Weisz, a 31-year-old visiting from New Jersey, and Colombian-born Angela Velasquez, 60, were also killed The death toll has risen to 79, with 61 people still unaccounted for The mayor on Friday night said the news was 'heartbreaking' The search for those missing continues, now in a recovery mode Video taken in the garage of the Champlain Towers South building in July last year shows worrying signs of damage