They had heard his voice, captured on a surveillance recording, directing the detectives to an all but abandoned street.
On surveillance recordings, he has been seen accepting Dominican cigars and cash from Mr. Siminovsky.
In July 2008 clips from secret surveillance recordings of Omar's first visit from Canadian officials were made public.
As prosecutors played a surveillance recording of that drive, relatives of the slain detectives sobbed and wailed, prompting Judge Nicholas G. Garaufis to clear the courtroom.
Vidun: Why haven't you examined the surveillance recordings?
In the case of the video, titled "Restricted Access," you may notice that the nervous shifting of the image resembles that of a surveillance recording.
Display infirmary surveillance recording.
"It's mad hot," Mr. Wilson said, according to a surveillance recording.
With the surveillance recordings the ships have been making, we've been able to go back and see where some of the substitutions have taken place.
There was only the dull hiss of a surveillance recording.