and hawaii five o's grace park appeared in this video with keith reniere.hese, mack is the only one confirmed to have stayed with nxivm long term. >> that kind of leads me to my next question which has to do with authenticity. >> reporter: she went from smallville to a big league role with the group, ditching hollywood to move to albany. where she became so close to vanguard, she appeared in this video conversation with him. >> so one would say authenticity is being as you are. >> reporter: his words literally moved her to tears. >> i don't know why. it makes me want to cry its beautiful. >> why do you think that's -- >> so emotional for me? >> yes. >> i guess because i feel like i just want it. authenticity. >> reporter: edmundson says it was mack who started that secret sorority in albany along with keith reniere. those brands on the women's bodies? edmundson says they don't just have k.r. for keith raniere. but they also have a.m. for allison mack. >> welcome to teen talk, i'm india oxenberg. >> reporter: another woman who joined mack's sorority and may