Jerry Donovan found that out. The cops were actually responsible for the robberies.
5 seconds sound clip from The Master (1984) - Rogues (S1E12) sitcom.
You can hear this line at 00:20:53.853 in the Blu-ray version of the TV Series.
Quote context
[...]
- But they won't be back tonight.
- I guarantee it. Good night, sir.
- Someone put the music back on.
- The term K.M.A. mean anything to you?
- Not really. Police Broadcast Code. It means the end.
- Jerry Donovan found that out. The cops were actually responsible for the robberies.
- He'd have to prove it. That's why he's disappeared.
- He can't call his sister for fear his phone is bugged.
- Because the bad guys are the police.
[...]