María came away from the window.

“Does the audio line up with our body camera timestamps?”

“Right down to the thousandth of a second,” Claire said.

“Every second on this tape is backed by an automated switch record from the central office.”

Mark adjusted his wire-rimmed glasses and read down the third column.

“Where’d you get the serial number for the secondary junction box?”

“Off the installation order Thomas signed three months ago,” Claire said.

She pointed to the store receipt attached on page two of her folder.