Bea then presses the duress button after Liz had told her never to touch it .
Overcome with rage , Bea stabs Jacs in the neck with a pen , killing her almost instantly .
Bea then presses the duress button after Liz had told Bea never to touch it .
Overcome with rage , Bea stabs Jacs in the neck with a pen , killing her almost instantly .