Call me a cynic if you wish
But i'd wager someone at the NSA will have shedloads of 'em.
The US Department of Justice has accused two federal agents of stealing more than a million dollars in Bitcoins during the Silk Road investigation. Former Drug Enforcement Administration (DEA) agent Carl Force and former Secret Service agent Shaun Bridges have been charged with theft of government property; wire fraud; money …
Now he's in it. Warner sued one of the "rogue Atari VCS programmers" for theft of IP, having found notes on a game called "Death From Above". Seems that programmer used that name as a working title on many (most?) of his games.
Warner lost, IIRC, but it is not wise to poke the Entertainment-Industrial complex.
"Drug eh eh eheheheh heeheehee cough cough Agency."
Wasn't there a case where a US vice agency was running a drug operation that was intended to be an undercover honey-trap - but which became a genuine major supplier of narcotics? Ditto another US vice agency and kiddie-pr0n?
In cases like this one is reminded of "Red Dragon" and "The Silence of the Lambs" stories/films where the federal agent has the same predilection as the Hannibal Lecter character.
It appears not unusual that people who have a zealous crusade against some human "immoral" activity - are hiding their own predilection for that same activity.
"[...] stuffed their pockets with wads of £20 notes."
...or nicked an innocent person at a demo and stuffed a brick in their pocket to be retrieved as "evidence" later.
In the UK case they didn't actually put a half-brick in the person's pocket - it was merely logged in evidence as having been found in his pocket. A defence forensic expert proved that the pockets had never had the brick in them.