Turning to the growing mystery of the young california couple who vanished on their dream vacation in peru a month ago. The question this morning is, could they have been kidnapped? Abc's gio benitez... See More
Turning to the growing mystery of the young california couple who vanished on their dream vacation in peru a month ago. The question this morning is, could they have been kidnapped? Abc's gio benitez has the story. Reporter: This morning, the search is on for this young couple on the vacation of a lifetime. Bicycling through south america for several months. Worrying only about taking the next great photo. But then, one month ago, silence. And now, their families are asking, where are 25-year-old garrett hand and his girlfriend, jamie neal? They would post sometimes several times a day. Pictures, telling us where they were. And then, we all noticed that his postings stopped. Reporter: On january 25th, the last facebook post from cuso, peru. Neal writing, finally found kraft mac and cheese in south america. Hand's mom is sick. Larkin remembers garrett's password. And it turned out the password was also the password was also the password for his bank account. Reporter: And there's no bank ACTIVITY AFTER JANUARY 25th. How is my son traveling without getting any money? Reporter: Just this month, the u.S. Date department issued a warning for americans traveling to peru. Highlights kid nals in cuzco, the same city that neal was facebooking. The couple might have gotten oen a boat to ecuador. A country not on their itinerary. But hand's mother says, wherever they are, she should have heard from them by now. That's a long time, particularly for people who are IN THEIR MID-20s, WHO Communicate daily on the internet. Reporter: Hand's sister hopes her brother will be home, playing with his niece and nephew again soon. Come home. Your family needs you in california with them. Reporter: And neal's bosses at a bike shot in california are also joining in on the search. Raising money to offer as a cash reward to anyone with information on where neal and hand may be. A mystery. Let's hope so. Time to go back out to los angeles an with sam
This transcript has been automatically generated and may not be 100% accurate.