The man who pleaded guilty to the murder of Dr. Joseph Sonnier has been sentenced to life without parole.
57-year-old doctor Joseph Sonnier was found dead in his home from gunshot and stab wounds in July of last year.
Authorities believe Amarillo plastic surgeon Thomas Dixon and David Shepard are responsible for the crime.
An arrest warrant says Dixon paid Shepard three silver bars worth about $3,000 each to kill Sonnier.
Late last month, Shepard pleaded guilty to killing Dr. Sonnier, who was dating Dixon's ex-girlfriend.
Shepard was sentenced for his crime Monday morning.
Dixon's court date has not been set.
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