. >> it wasn't long after their daughter's murder that sandy and lonnie phillips quit their jobs.ve gotten rid of most of their belongings and rented out their house so they can travel around the country to mass shootings, hoping to meet survivors and offer help. the scene of a mass shooting is not an easy place to come to. it can be like walking into a stranger's funeral. >> we don't know each other yet, but we do now. >> reporter: but in grief, strangers can quickly become family. >> you've got a second mom here. >> reporter: we saw the phillips' in thousand oaks, california, where 12 people were gunned down at a country music bar last november. it is one of the latest stops on their heart-breaking journey. >> you if you haven't lost somebody close to you, you can't comprehend it. >> just days before they arrived here, they were in pittsburgh where 11 people were murdered at the tree of life synagogue. >> it's so interesting what you're doing. you're not trained therapists, you're not counselors, and yet you have upended up lives and reaching out in a very individual way to peop