It does this by stopping the muscles used for breathing.

VOA: special.2010.03.09

When Hex gets offered the chance to clear his own name by stopping Turnbull from using terror to launch a new civil war, it is an offer the bounty hunter can not turn down.

VOA: standard.2010.06.20

By day and night,never stopping, biting at his nose, biting at his feet, the wolves stayed with him until the end.

VOA: special.2010.02.27

human rights investigators applaud moves made by President Barack Obama in pledging to close Guantanamo Bay and stopping the practice of torture and extraordinary rendition.

VOA: standard.2009.03.21