happening? the details that she gave. it was unbelievable. she said you did it. i said no, you did. route 66 once stretched across the southwest from one horizon to the next. going from what america was to what it wanted to be. cities like albuquerque, new mexico were celebrated stops along the journey. today buildings that once lined this part of the iconic highway have faded and closed as the cottonwood mall became the new downtown. reporter: the mall was kind of the big hangout? i met my husband at the mall, yes. so did i. it s played a pivotal part in our lives. for the marcell sisters, all six of them, along with brother jonathan, the cottonwood mall in albuquerque was the center of their social lives. it was people that we went to school with. so everybody kind of knew everybody. sister number five, 17-year-old brittani, worked at a sunglasses kiosk in the atrium. and she s this beautiful, blonde girl with striking blue eyes and a big smile. yo