emily altman: you can see bob.erson and loyal friend for more than 40 years. though, emily, painful as it was, worried that bobby durst may have been the friend she never knew, after all. i can't understand harming a human being, ok? doesn't make sense to me. i don't know if i could forgive that, and i wish i could, and i'm struggling with that. i don't know. that's it-- i don't know. that's all for this edition of "dateline." i'm andrea canning. thanks for watching. histo ♪♪ >>> this sunday, historic agreement. israel and hamas agree to