A 63-year-old man was convicted Wednesday of gunning down a co-worker outside of the victim’s home in Tustin in 2003. Juan Antonio Palacios was convicted of second-degree murder with a sentencing enhancement for the use of a firearm in the Jan. 5, 2003, killing of 32-year-old Mario Cano Santamaria. Palacios and Santamaria worked together as […]