" I grew excited when I realized this basic asymmetry implied that nothing – no evidence, no information, no facts or data – connected me to the stranger except for the evidence of my own personal observations which remained private as long as I kept them that way. And what did that mean? First of all, it meant I could influence the stranger’s life in any way I wanted without him or anyone else suspecting my involvement. But what did that mean? Among other things, it meant I could disrupt this man’s life in some rather extreme ways and never become a suspect in a subsequent investigation. Or did it mean that? I wasn’t sure but I felt I needed to find out. "