You got this type of stuff going on...
"<b>The Girl Next Door</b>."
http://en.wikipedia.org/wiki/The_Girl_Next_Door_(2007_film)
http://technorati.com/entertainment/film/article/the-girl-next-door-is-an/
http://www.imdb.com/title/tt0830558/
http://en.wikipedia.org/wiki/Gertrude_Baniszewski
"<b>The Afflicted</b>."
http://en.wikipedia.org/wiki/The_Afflicted
http://en.wikipedia.org/wiki/Theresa_Knorr
http://www.imdb.com/title/tt1566637/
http://theringmastersrealm.blogspot.com/2012/05/serial-killer-theresa-knorr-disturbing.html
There are many more stories like it, but seriously, when reality hits you in the face, it's hard to understand humanity and to interpret what is going on in this world or outside of it.