Minh Nguyen, tech veteran, charged in murder of ex-wife's husband

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The co-founder of a social networking upstart has been charged with premeditated murder in the slaying of his ex-wife's current husband.

Minh Nguyen, who created social media site Plaxo with Napster pioneer Sean Parker, was arrested last Wednesday in Ashburn, Virginia for entering the home of his ex-wife and shooting her husband, according to the Loudoun County Sheriff's Office. Although the report did not cite specific names, published reports identified the victim as Corey Mattison.

Mattison's wife was not home at the time, but the sheriff's office said two children were in the residence. His wife returned home with one other child, where they walked in on the incident unfolding.

The Plaxo founder is a George Mason University alum whose career has spanned at least ten different technology start-ups, according to his LinkedIn profile. Plaxo boasts 50 million users in 83 countries, though its scale and user numbers are eclipsed by those of social media juggernauts such as Facebook, Twitter and LinkedIn. All of those platforms have hundreds of millions of users in the professional and personal space.

Nguyen is being held with no bond at the Loudoun County Adult Detention center. The investigation is ongoing, according to authorities.