People who get made an example of have way more media attention, and way more groups arguing both sides.
During his parole hearing latmer says, he did what was right for his daugher and wants to move to ottawa to lobby on behalf of mercy killings... so Disabled rights advocates want him to serve his full sentence and spend money lobbying to make sure that happens.
The other guy, nobody cares about untill he kills someone they know, and even then there are 100's of others out there like him. He gets 10 seconds on the news after britney spears and paris hilton, so no one cares when his parol comes up and he tells the board "He will never wear body armor while carrying a pistol and smokling crack again"...
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Recall Wellbutrin