The Treasury Department and the Internal Revenue Service are responsible for detecting and preventing money laundering schemes. Both the Bank Secrecy Act of 1970 (codified in 31 USC 5311-5332 and 31 CFR 103) and the USA PATRIOT Act of 2001 (Public Law 107-56) require banks, money service businesses, and retail stores to report on financial transactions that have the potential for laundering money.
This includes reporting any transactions over 10K or which are 'unusual'.
In addition, there is FinCEN as well, not just a figment of the so-called 'black helicopter' set.
Telecommunications have been monitored through ECHELON and CARNIVORE since the Clinton Administration.
No news to those who have been paying attention. However, an old Connan Doyle line comes to mind, where the clue was the 'dog who did not bark'.
If the Times panics the enemy into even a brief shift in transaction mode and behaviour, this could provide valuable intel.
I have the feeling that not all leaks are completely unintentional. Otherwise, I'd expect the feces would have hit the rotary air shifter by now.
My bet is that at least some transactions have gone off the radar as a result of the Times' statements, and that alone is enough to track a lot of dots. Previously recorded connections follow. ymmv.