Paulo F. Fundament, 59, was last seen in Newport Beach, California on October 1, 2016. He is a White male, 5 feet 6 inches tall, about 150 pounds, with gray hair, green eyes and eyeglasses. Born in Brazil, he was an engineering graduate of the University of Washington and ran his own firm, Fundament and Associates.

In the early hours of October 1 he emailed a three-page suicide note to his estranged wife and she later found a will dated September 30 leaving his possessions to their sons. His car, keys, wallet and cell phone remained at home, but a gun was missing. He had recently lost his business, his wife had filed for divorce, and he had been treated for depression with reported suicidal ideation; there is also a family history of suicide. Searches of a nearby nature preserve using five cadaver dogs turned up no trace of him or human remains, and his body has never been recovered. Authorities presume he took his own life.

Does anyone who knew Paulo or his routines around Newport Beach in 2016 have information that could help clarify what happened?