Salazar was the victim of a murder-for-hire plot devised by Presidente Supermarket owner Manuel Marin, after Marin learned of Salazars affair with his then-wife, Jenny Marin, investigators said.
Vila Perdomo and Isaac are facing second-degree murder charges for the kidnapping and murder of Salazar.
On Wednesday, Vila Perdomo and Isaac looked on as an independent cellphone geolocation expert shared location information from the day of Salazars disappearance and murder from 2011.
Authorities discovered Salazars body at 6:30 p.m.By 6:38 p.m., Marins vehicle was 13 miles south at the Bird Road exit off the Florida Turnpike.
Vila Perdomo was in Las Vegas, cellphone records indicated, though call records revealed several calls to him, and between all four suspects throughout the day.