(Phoenix, AZ)  --  An Arizona jury says Jodi Arias is guilty of first-degree murder in the brutal death of ex-boyfriend Travis Alexander.  Prosecutors accused Arias of stabbing him multiple times, shooting him and slashing his throat.  She had claimed self defense.  The verdict was decided after jurors deliberated for a total of 15 hours over four days. 

The death penalty phase begins tomorrow in the  case. The jurors must now decide whether or not she will be put to death.