A group of robbers kill a security guard who was a former police officer and who, before his death, used the APB app. Meanwhile, Gideon redesigns a feedback chair - previously utilized in the aerospace industry - for use in the investigation room, and Murphy learns that her ex-husband, Assistant State Attorney Scott Murphy, may be watching them.
Quest roles:
Sara Holden(Stunt driver), Demetria Thomas(Sergent Bernie Charles), Ty Olwin(DV8)