Sex trafficker in Saw IV's motel trap.
Rigg's attempt to save Brenda advances his central behavioral test.
Rigg finds Brenda strapped to a scalp-removing device and rescues her despite being warned not to intervene.
Brenda's trap is part of Jigsaw's behavioral test for Rigg.
Brenda is placed in a trap that scalps her, and the setup manipulates Rigg into deciding whether to intervene.
Explore the full interactive character relationship map of Saw IV