Rebecca, who kills two of Sam Bosco's team and mortally wounds Bosco in "His Red Right Hand", is killed by Red John after she is captured by the CBI by some kind of fast-working extremely toxic substance introduced subcutaneously.
Rebecca, who kills two of Sam Bosco's team and mortally wounds Bosco in "His Red Right Hand", is killed by Red John presumably because she allows herself to be captured by the CBI. She is killed by some kind of fast-working extremely toxic substance introduced subcutaneously.