Crime, Punishment, and the Social Contract

The recent arrests in Cleveland and the judgement in Phoenix have brought up the issue of what to do with the most blatant violations of the social contract.  By the social contract, I mean the inherent agreement between human beings in a society that they act in a civil manner to each other.  There should be an actual contract, signed at the age of legality or adulthood.  At 18 years of age every person should sign a contract with the rest of society agreeing to act in a civil manner.  Or they could opt out, dropped off at one of the Aleutian islands with others of a similar bent to fend for themselves.  The signatories would then be obligated to abide by the contract and face the consequences of the law if they don't abide.  The most heinous violations, could, depending on the state, result in the loss of life by the offender.  But we're reluctant to do so.  Of the approximately 3125 inmate on death row, 33 were actually killed by society in 2011.  The latest examples of aberrant behavior will follow the same policy of trial, appeal, and incarceration for around a decade before the sentence is carried out.  We are so scared of executing an innocent person that we run around for, at times,  the life of prisoner trying to get the job done.  The Cleveland kidnapper, rapist, murderer and torturer could be taken out his cell this afternoon and have his life terminated.  We don't, but it wouldn't be civilized or moral.  Or would it?  To be continued