Not to be argumentative, however…
Q has repeatedly said to "think logically." Let's do so now.
Perhaps both [RR] and Mueller are presently working with POTUS? Might Q's recent statements regarding [RR] be logically consistent with this hypothesis? Why not use logical thinking to determine whether this is a possibility.
Q's following post appears to be a logical argument so let's assume it actually IS a logical argument.
If [RR] is dirty, Mueller must also be dirty.
if Mueller is dirty, [RR] must also be dirty.
Q
According to the rules of logic, this argument can be rewritten as:
If [RR] is NOT dirty, Mueller must also be NOT dirty.
if Mueller is NOT dirty, [RR] must also be NOT dirty.
In other words:
If [RR] is CLEAN, Mueller must also be CLEAN.
if Mueller is CLEAN, [RR] must also be CLEAN.
While neither of these men "appear" to be clean in their past associations and deeds, the possibility exists that both men, in fact, may be working with POTUS to take down the Deep State. Another way to look at this argument is that the possibility exists that both men have been "cleaned" of their past dirt and are now working with POTUS as foci of intelligence gathering on the Deep State. The Deep State have assumed that both men have remained loyal to the Deep State and from those assumptions both men may have easily taken part in sting operations under the direction of POTUS. For example, in post 2107 Q says:
#FLY[RR]FLY#
Desperate people do desperate things.
It is during this period of time that surveillance pays off.
When does a BIRD sing?
Q
What survelliance is Q talking about? Assuming that both of these men were turned early on and are now working with POTUS, both men may likely be assumed to have also been in communications with potentially dozens of hidden Deep State operatives with all their clandestined communications monitored and recorded. So, to answer Q directly:
Question: "When does a BIRD sing?"
Answer: "A BIRD sings when the BIRD believes it is safe to sing."
Question: Why is RR about to FLY?
Answer: Perhaps because RR was turned early on and made a deal to work with POTUS.