Hi Marcia: I'm Madeline's sister. Welcome to the Missing Americans Project website. To join the Robert C. Ehlert group, click on the Groups tab at the top of the page. Select the featured group for Robert C. Ehlert (Bob) to go to the group page. Once there, a +Join box will be at the top. Just click on the box and you'll be connected to the group. Thanks for your support!