MelQ wrote on Telegram: "There is the possibly a Key code to a dead mans switch. A file that has damning evidence against the deep state, that is to be unlocked at the time of his death.
"We will see if this pans out. Only time will tell."
A "dead man's switch" is activated when the device's owner dies.
QAnon John did note the metadata was one used by Facebook and Instagram but he added: "It's an internal copyrighting tool used to track photo usage. Also, John McAfee did not commit suicide."
McAfee tweeted in 2019: "I've collected files on corruption in governments."
He added: "For the first time, I'm naming names and specifics. I'll begin with a corrupt CIA agent and two Bahamian officials. Coming today. If I'm arrested or disappear, 31+ terabytes of incriminating data will be released to the press.