Code Name: Banshee (Arrow)

Jessica Maire Harper. She use to be known as Siren on the streets, when her brother, Roy Harper, decided to "die" to save Oliver Queen , she offically became Banshee, a vigilante, who helped the Green Arrow. She was affected by the particle accelerator when it exploded and it gave her a super-sonic scream. When Laurel Lance died, she quit the team. It was no surprise to anyone. It did however surprise them, when she moved to Keystone, she always said that place gave her the creeps. What happens when she gets a paniced message from Felicity? Will she surprise herself move than she does Oliver?