(NewsNation) — Florida resident Ana Knezevich has been missing in Spain since early February. A new report claims authorities found biological remains in her apartment. However, Knezevich’s ...

Federal and international authorities on Saturday arrested David Knezevich, the husband of a Florida woman who vanished from an apartment in Spain under mysterious circumstances in February.

MIAMI-DADE -- The family of Ana Maria Knezevich has filed a wrongful death lawsuit in Miami-Dade against her estranged husband, David, his brother and others for their alleged roles in her murder.

The lawsuit includes claims for wrongful death, fraudulent transfers, and conspiracy among other things that caused damage to her estates, according to an official release. Britney, Beyoncé and ...