Free .. Why?

This news is bothering me ... my question is "WHY?!"

I do not understand the logic of shortening the sentence and freeing someone who is really responsible for a brutal crime. He is not someone that "could have done it" .. we all know "he did it" .. so why is he out now?

Good Behavior? .... Rubbish!
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From AbsCbn News:

Claudio Teehankee Jr., the convicted murderer of a Filipino-Swede girl and her friend in Makati City in 1995, has been released from the New Bilibid Prison in Muntinlupa City after President Arroyo commuted his sentence.

Justice Secretary Raul Gonzalez said Teehankee, a son of former Supreme Court Chief Justice Claudio Teehankee Sr. and brother of former justice undersecretary Manuel Teehankee, was freed on Friday last week.

Gonzalez said the Department of Justice, Bureau of Corrections and Board of Pardon and Parole "carefully studied" the commutation of the sentence for two to three years.

Gonzalez said it is the President's prerogative to commute or give pardon to any prisoner.

Teehankee was found guilty in 1995 for murdering Maureen Hultman and her friend Roland John Chapman in Dasmariñas Village in Makati. A third victim, Jussi Leino, was wounded in the attack.

The convict was sentence to life imprisonment and two counts of reclusion temporal (maximum of 17 years, 4 months and 1 day to 20 years).