Alexander's former friend & coworker: The first witness prosecutor Juan Martinez's was Jacob Mefford. He testified he observed Alexander being affectionate with Arias in public. He even shot video and photos of Alexander being affectionate with her. Arias testified Alexander was not affectionate with her in public.
Prosecutor Juan Martinez went through a lightning round of witnesses in the Jodi Arias trial on Tuesday. Click through the gallery to see who testified and what they said.