Cmv: the minute you intentionally put a person's life at risk, you forfeit your own  if you threaten in a deadly manner, you deserve to die.:
These days, we grant more rights to convict's than we ever have.  While I appreciate people make mistakes, I believe some actions should have permanent consequences, and that we have morally compromised ourselves in making exceptions to this.  I fundamentally contradict that every individual has a right to live- if you are willing to put someone else right to life in jeopardy, then you have demonstrated that you are a net negative impact to society, and that as a whole we would all be better off if you were dead.  

Edited for nuance- you guys have made some good examples of grey areas- I'm not disputing that.  This is more a question of the principle.  Let's go ahead and refine this further- in the moment of endangering another individuals life, with out extenuating circumstances such as mental illness or protecting others, then in that moment society has a prerogative to take your life. 