Cassandra Cain also known as Batgirl is a character in DC comics. She is a former member of the Batman Family and the daughter of Lady Shiva. Cassandra's parents taught her martial arts and she grew up to be one of the world's best assassins. When Cassandra was eight, she killed a businessman under the orders of her father. Cassandra runs away and was found by Batman . She became Batgirl under Batman's guide and went undercover on his missions Cassandra later became the leader of the League of Assassins and tries to bring Robin to her side but fails. She was later hired to kill Supergirl. She later orders a teleporter to steal a drug from a businessman so that she can use to enhance her assasins.