Thirty years ago, more than 900 Americans died in a murder and suicide ritual at the Peoples Temple agricultural mission in the jungle of Jonestown, Guyana. Pictured, from left, Rev. Amos Brown, Jonestown survivor Stanley Clayton, Juana Norwood, and Dr. Jynona Norwood react after the unveiling of a memorial wall as they reach to touch victims names following the 30th Anniversary Jonestown memorial service at the Evergreen cemetery in Oakland, Calif.