Mahmood Aghassi, 75, was found dead in his Boulevard home in San Diego County on September 1, 2016, after someone reported an injured person at the residence. He had suffered severe head trauma and died despite attempts to save him. Detectives immediately treated the death as a homicide and opened an investigation into the cause and motive.

If anyone knew Mahmood, his routines, visitors to his home, or noticed suspicious activity in Boulevard around that time, please come forward with information.