Megyn Kelly

It's a ticking bomb.

Only against all odds, they're again simply reprimanded for tailgating.

and sent on their way without a ticket.

Former CIA analyst and the creator of the CIA's Deception Detection Program, Phil Houston, he's actually a human lie detector, joined us earlier this year about these traffic stops.

He gave his expert opinion on Kohlberger's exchanges in them.

Watch this.

More from Bloom here and his reporting that draws from his conversations with sources inside the FBI.

Yet unbeknownst to either the father or the son, it will be only a matter of time before their luck runs out.

And while Michael's previous worries did not come to fruition, this one will.

And what were the FBI thinking as they, from a discreet distance, observed their targets being pulled over not only once, but mind-bogglingly twice by the authorities?

There is an iron rule, law enforcement veterans will tell you, that in any long-running op, the unexpected is to be expected at any time.

The outrageous, in fact, must be regarded as inevitable.

Yet according to sources familiar with the Bureau's skittish temperament, as these two unanticipated traffic stops played out, knowing patience was not the guiding standard that December day.

The agents were frustrated and they were angry.

The possibilities were too dangerous.

The main problem shared law enforcement officials with an arm's length familiarity with the FBI surveillance operation was the watchers helpless passivity.

All they could do was observe from a distance and wonder had diligent Indiana lawmen spotted the car traveling down the interstate and immediately connected it to the white Hyundai that was wanted by the Moscow PD.

Were the locals about to make an arrest before the final incriminating piece had been fitted into the puzzle?

If that happened, it had the potential to be a catastrophe.

The suspect would be alerted, and perhaps then, if he was advised by a canny lawyer, the army of investigators would never have the opportunity to make their airtight case.