Off-duty members are subject to the same rules as on-duty officers and can only work in their own municipality.
Detective Miller was the first on-duty officer to be shot fatally this year.
Harben took a small measured sip of his coffee as the on-duty officer picked up the phone.
He looked up and saw the on-duty officer holding a phone and gesturing to him.
The on-duty officer nodded and held out the phone.
The harassed-looking on-duty officer was holding out another line.
"The radio cars are all needed for on-duty officers," she said.
It was the second time in four months that an on-duty officer was killed by a partner during a drug operation.
They lauded the on-duty officers for their response to complaints.
In some cases, the on-duty officers encouraged the protesters.