alysa maheuse who chronicles her experience in the book "my son and the afterlife." >> good morning. you're not telling the truth. >> well, of course i tell the truth. of course being a skeptic made it very difficult when my son died because i had a hard time answering the questions, where's my son? so i'm a skeptic for two reasons. i'm raised by two atheists but also i'm a physician so we're wired for science. >> right. when is the first time that you saw eric? >> oh, gosh i was one of the last ones. i saw him jumping on my bed from one corner to the next. >> what did he look like? >> looked like his self. >> at what age? >> oh, 20. >> so he died when he was 20 and you saw him at 20? >> uh-huh. >> what do you think he's coming back for? >> i think he's here to help people. here's the deal. this book is very interesting in that he answers so many questions like, what's it feel like to die? what is the afterlife like? >> what does he say? i mean, those are questions that haunt, you know, a lot of people. they lie in bed at night and worry about things like this. what does he say? >> h