I've found a lot of stories about missing people in the Internet.There are people from different countries, stories of hope and hard times, happy endings,...
I've found photos and videos, messages for parents and relatives (even psychological help for them), application forms to report the disappearance to the police,...
I've found application forms to donation, campaigns in order to looking for someone, pages specialized in children or natural diseases,...
I've found a lot of things and a lot of information related to missing people in the Internet. I hope don't have to use them.