Clifford Olson: Why and how?

History: 
Clifford Robert Olson Junior was born during the second world war on January 1st, 1940, new years day. An incredibly rare date of birth, one that St. Paul's hospital in Vancouver, B.C. had to be cursed with.
This being said because the birth of Clifford Olson was not one of a hero, but of a serial killer.
People who may have known him at the time would have perhaps described him as relatively daft, or child-like. During his younger years, a ten year old Clifford was already a recognizable name around Vancouver's crime list. By the age of seventeen, Olson would have been in and out of prison along with court sentences on a regular basis - and for twenty more years, he would continue to be a criminal offender.
However much changed during his arrest in the 1971-1981 time frame. While in prison, Clifford Olson had a bad reputation with not only the inmates, but the guards as well. He was a master of manipulating the prison system, using it to write complaints off to the government, often times speaking of how bad the conditions in prison were and how annoying the other inmates were.
Of course, the other inmates caught word of this, making Clifford Olson a marked target. Over his sentence, he was stabbed seven times; and as prison protocol would have it, Olson was moved to Prince Albert's in 1976. This is where he would discover and befriend Gary Marcoux.
During his time spent with Marcoux, Clifford would learn of his horrible crimes in raping, molesting, and murdering a young girl. This is also where Olson would find a new love for child pornography. He died in September of 2011.

Overview of murders: How?
Clifford Olson was found guilty of eleven murders, while he boasted over thirty, police could only find evidence of around eleven.These murders consisted of eight young girls and three young boys, mostly in the pre-teen/teenager time frame. He mainly went about killing these young children by manipulating them somehow to come with him to a secluded location before he had his way with them, and killed them in some way.

Conclusion of Olson: Why?
Over his time spent in prison, he was tested on various psychological reports and tests. He was a sociopath, pedophile, anti-social behavior, as well as a pathological liar. Something most serial killers have in common.
He had no reports of feeling remorse, guilt or stress, but did however love making an image for himself through the evil crimes he committed.

Sources
http://home.cogeco.ca/~mrcarle/OLSON.HTM
http://www.allserialkillers.com/clifford_olson.htm
http://cnews.canoe.ca/CNEWS/Crime/2011/09/30/18764721.html
http://www.torontosun.com/2011/09/21/timeline-for-killer-clifford-olson