NEW You can now listen to Fox News articles! Good morning and welcome to Fox News' morning newsletter, Fox News First. And here's what you need to know to start your day ... TOP 3 1. US responds to reports that an American aircraft was shot down  2. Skeleton found near Nancy Guthrie 's home unearths new mystery 3.  Iran's uranium stockpile becomes the make-or-break issue   MAJOR HEADLINES DEADLY TRAIL — Police nab 'extremely dangerous' suspect wanted in three murders after massive manhunt. Continue reading … NO ESCAPE — Prosecutors describe cruise ship killing of Anna Kepner as 'barbaric' act. Continue reading … STOLEN INNOCENCE — Victims confront 'party mom' as she is sent to prison for grooming teenagers. Continue reading … LOST AT SEA — Phone GPS data from husband of missing American triggers key Bahamian decision. Continue reading … GOLDEN GRIFT — FBI raids home of official with top secret security clearance — finds $40M in gold bars.…