Florida resident Ana Knezevich has been missing in Spain for over 40 days. Her estranged husband, David, reportedly refused a polygraph test when the FBI offered him one. NewsNation law contributor Jennifer Coffindaffer and defense attorney Sara Azari join NewsNation's Chris Cuomo to discuss. #Missing #AnaKnezevich #DavidKnezevich Chris Cuomo hosts "CUOMO," a no-nonsense show featuring the day's most important news from all perspectives. "CUOMO" airs weeknights at 8 p.m. ET/ 7 p.m. CT on NewsNation. #CUOMO NewsNation is your source for fact-based, unbiased news for all America. More from NewsNation: newsnationnow.com Get our app: trib.al/TBXgYpp Find us on cable: trib.al/YDOpGyG How to watch on TV or streaming: trib.al/Vu0Ikij