Christopher Ablett, Mongols biker gang member, sentenced to life in prison for SF Hells Angels leader's murder

(CBS) SAN FRANCISCO - Christopher "Stoney" Ablett, a member of the Mongols outlaw motorcycle gang, was sentenced to life in prison without parole Tuesday for the murder the president of the Hells Angels' San Francisco chapter.

According to a press release, United States Attorney Melinda Haag announced that Ablett was sentenced to serve two concurrent life sentences and one life sentence to run consecutive.

Ablett was accused of stabbing and shooting Mark "Papa" Guardado outside a bar on Sept. 2, 2008 in the city's Mission district. He was convicted in February of murder in aid of racketeering, assault with a deadly weapon in aid of racketeering, using a gun in a violent crime and using a gun in a murder.

Ablett testified at trial that he killed Guardado in self-defense but prosecutors alleged that the Modesto-based Mongol started the fight and killed Guardado to enhance his status within the gang.

"The defendant killed a complete stranger for no reason other than his membership in a rival motorcycle gang," U.S. Attorney Haag said, according to the press release. "This sentence should send a clear message that there is a heavy price to pay for engaging in such a senseless act of violence. There is nothing we can do to bring Mr. Guardaro back. I hope, however, that this conviction and sentence begin to bring his family some closure."

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