CNN — Idalia Yamileth Herrera Hernandez grew increasingly desperate with her toddler in Mexico as they waited for weeks for their day in court. The Honduran mother died with her son, 21-month-old Iker Gael Cordova Herrera, while trying to cross the Rio Grande river into Texas, Nelly Jerez, the Honduran vice foreign minister of consular and migration affairs, said in …