Frederick William Everest (3 December 1910 – 24 January 1977) was an Australian murderer who killed two American servicemen in Brisbane during World War II.
He was known as The Man in the Grey Suit.
In 1945, aged 34 years old, Everest shot and killed two US military officers, Lt.
Allen C.
Middleton and Chief Petty Officer John David McCollum, who were among the many American forces stationed in Brisbane at the time.