3 Jacksonville police say he confessed and tomorrow he's set to go before a judge - charged with killing his ex- wife. Police say 58 year old Jeffrey Mackey killed Kimberly Mackey - then drove to Missouri and dumped her body in a gully. Channel 4's Adrienne Moore has been following this story and joins us LIVE at JSO headquarters with more of what we're learning from investigators, neighbors and the victim's brother Adrienne? 3 3 Rob and Joy - This police report says Jeffrey Mackey drove more than 11-hundred miles and crossed 5 states before dumping the body of his ex-wife, Kimberly.Kimberly's brother says he knew in his heart Jeffrey was responsible. But neighbors are shockedtelling us there were never ANY signs of trouble. 3 16-21William Burger/Victim's Neighbor 24:00-0825 YARDS Neighbor 24:00-0825 YARDS FROM WHERE WILLIAM BURGER LAYS HIS HEAD AT NIGHT IS WHERE INVESTIGATORS SAY JEFFREY MACKEY KILLED HIS EX- WIFEWilliam Burger/Victim's Neighbor 24:10-20JACKSONVILLE POLICE ARRESTED 58-YEAR-OLD ON ONE COUNT OF MURDER AFTER THEY SAY HE ADMITTED TO DRIVING TO MISSOURI TO DUMPI HER BODY IN a GULLY.Asst. Chief Chris Butler/JSO 15:49-16:05AT A NEWS CONFERENCE - INVESTIGATOR S SAY THEY BELIEVE MACKEY SHOT THE MOTHER-OF-TWO INSIDE THE TRAILER THEY SHARED ON SUNI PINES BOULEVARD BUT ARE STILL WAITING FOR CONFIRMATION ON HER CAUSE OF DEATH FROM THE MEDICAL EXAMINER.THIS POLICE REPORT SHOWS - THAT AFTER HE DUMPED HER BODY in Missouri - HE WITHDREW LARGE AMOUNTS OF MONEY FROM HIS BANK ACCOUNTS AND LEFT BEHIND ALL OF HIS CLOTHING AND PERSONAL ITEMS INCLUDING HIS CELL PHONE, COMPUTER AND TWO DOGS.FOR KIMBERLY'S BROTHER JESSE - THE DETAILS ARE DEVASTATING.Jesse Rodriguez/Victim's Brother Phoner Graphic Needed 09:11-17JESSE SAYS THE COUPLE'S TWO SONS - ADAM AND JOHN - ARE INCONSOLABLE AND SAYS THEY'RE STRUGGLING TO FIND A WAY TO PUSH PAST THE HURT.13:12-32 Jeffrey Mackey is expected to make his first court appearance tomorrow morning.As for the motive in this case - investigators would only tell us it was over "relationship issues." AM, CH.4, TLS. Adrienne, has the family made any funeral plans yet for Kimberly?