Whitmore shook his head.
"What happened?"
Marcus hesitated.
Then he said:
"Someone saw a Black man wearing a police uniform and decided the uniform couldn't possibly be real."
Whitmore's expression changed.
He understood immediately.
Meanwhile, across the street, investigators were already retrieving the original dispatch call.
The caller was Patricia Sloan, a resident of the neighborhood.
Her statement was simple.
She had seen Marcus walking from his sedan toward the Whitmore estate.
She said his uniform looked "unusual."
She told the dispatcher she didn't understand why "someone like that" would be wearing senior police insignia.
The dispatcher had documented the complaint exactly as given.
No crime had been reported.
No property had been damaged.
No threat had been described.
No one had witnessed Marcus commit an offense.
There had only been suspicion.
And suspicion had been treated as evidence.
That distinction would become the center of the investigation.
The Report
Internal Affairs opened its review that same afternoon.
Investigators collected:
Marcus's body-camera footage.
Mercer's body-camera footage.
Officer Shaw's footage.
Dispatch audio.
GPS records.
Patricia Sloan's original statement.
Department personnel records.
The evidence was overwhelming.
Marcus had remained calm.
He had identified himself.
He had offered verification.
He had never resisted.
He had never raised his voice.
Yet Diane Mercer's official report told a different story.
It stated that Marcus had "failed to provide credible identification."
It described him as "increasingly confrontational."
Investigators watched the footage again.
Marcus had done none of those things.
Then an investigator noticed something else.
The incident resembled several previous complaints involving Mercer.
So they expanded the review.