Calvin Jefferson en Man Sought in Ex-Wife's Death Surrenders <p>MANDEVILLE, La. (AP) &mdash; The ex-husband of a woman whose body was found in St. Tammany Parish Sunday evening has surrendered to Calcasieu Parish authorities</p><p>Capt. George Bonnett&nbsp;says investigators had a warrant accusing Calvin Jefferson of second-degree murder of 31-year-old Nicole Jefferson.</p><p>Jefferson surrendered late Tuesday, about six hours after the sheriff&#39;s office announced the warrant for his arrest.</p> Wed, 09 May 2012 14:35:08 +0000 The Associated Press 10621 at