"I don't know what happened to Russia," Baer said. "I checked around with my former colleagues that follow Russians and they are just totally surprised. The fact that the FBI for in their communications is extraordinary, or was able to actually meet them and pretend to be Russians. They were completely, totally compromised, and this is going to cause an enormous scandal in Moscow, or it should."
It's been 24 years since the last publicized spy swap between the U.S. and Russia, carried out on a bridge between then East and West Berlin.
"Many of these have been done in secret, but this one has created a lot of publicity and everyone just wants this to go away now," said former CIA Russian analyst Mark Stout.
Alexander Marquardt, Joseph Rhee, Lee Ferran and Matthew Cole contributed to this report.