Issue: Batgirl #15
Date: June 2001
Feature Characters: Batgirl (Cassandra Cain)
Supporting Characters: Batman (Bruce Wayne)
Guest Appearances: N/A
Other Characters: N/A
While taking down two madmen on seperate killing sprees Cassandra discovers the puppeteer controlling them only to be put under a hypnotic state as well where, in the state, she invisions Batman being killed by the Joker and herself killing the Joker in revenge.