The Guardian [theguardian.com] is reporting that...
On Wednesday, the FBI confirmed it wouldn’t tell Apple about the security flaw it exploited to break inside the iPhone 5C of San Bernardino gunman Syed Farook in part, because the bureau says it didn’t buy the rights to the technical details of the hacking tool.
“Currently we do not have enough technical information about any vulnerability that would permit any meaningful review,” said Amy Hess, the FBI’s executive assistant director for science and technology.
$1.3m and no source code?