reporter: the hospital claims the young women's severe injuries led to the mistake, but monday, frank cantuceased, said officials actually mixed up the taem members. >> instead of telling abby's parents, okay, your daughter is upstairs, they told me my daughter is upstairs. >> reporter: for six days, frank cantu sat praying at what he thought was his daughter's bedside. only to find out she never survived the crash. >> and they said i think there's been a tragic error. >> reporter: it was marlena's best friend, abby guerra, who had survived. though her parents were told she died. meanwhile, frank's daughter, marlena, had been tagged jane dough, unidentified because of a backlog of bodies. suddenly the cantus are making funeral plans for the daughter who was supposed to be getting back to college. >> a book had come in she ordered. >> reporter: oh, gosh. >> it's tough. >> reporter: frank cantu has a mission, to stop mistakes like this from happening again. >> my daughter was the most fresh issues thing i ever had. everybody loved her. >> reporter: hattie kauffman, cbs news, los angeles. >> j