Locals were left wondering who 'd done what after a mysterious message . The apology was splashed across Brisbane 's CBD on Monday afternoon . A man in his 20s has been charged with the murder of two men and is believed to be responsible for at least one other crime as well. Skywriter Rob Vance said the man did n't appear to be frantically lovelorn . The service usually charges $ 3990 for up to 10 letters of characters . The author and recipient of Monday 's message remain a mystery .
Locals were left wondering who 'd done what after a mysterious message . The apology was splashed across Brisbane 's CBD on Monday afternoon . It prompted questions and theories on Twitter about who had done what . Skywriter Rob Vance said the man did n't appear to be frantically lovelorn . The service usually charges $ 3990 for up to 10 letters of characters . The author and recipient of Monday 's message remain a mystery .