“I can’t breathe.”

The transcript notes the sounds of Khashoggi’s body being dismembered by a saw, as the alleged perpetrators are advised to listen to music to block out the sound.

And, according to the source, the transcript suggests that a series of phone calls are made. Turkish officials believe the calls were placed to senior figures in Riyadh, briefing them on progress.

Some of the details in the transcript seen by CNN’s source have emerged in previous reports of the recording’s content. But this is the fullest account of the transcript that has so far been published.