as early as 6:00 in the morning this morning to lay flowers and candles and notes. they are also signing a book of condolences just over that way. people are grieving and the families are suffering such tremendous loss. i talked to one family that is really struggling to come to terms with what happened. a mother's regret. >> if i could just turn back time, you know. i didn't listen to him. i don't know. i have no words to say. >> reporter: samir's three boys were setting out on a fun-filled holiday to the other side of the world. but the youngest, miguel, was nervous. >> my youngest son, he came to me and then after answering for the passport he came back, run