An Innocent Man

"An Innocent Man" (formerly titled "Salvage") is the fourth episode of season 1. It aired on October 31, 2012.

Synopsis
Oliver, under the guise of Arrow, teams up with Laurel when the former finds that an innocent man, Peter Declan, has been framed by one of the people on Oliver's list, and the two try to prove the man's innocence. Meanwhile Walter asks one of his employees, Felicity Smoak, to look in to a $2.6 million withdrawal made by Moira without his knowledge.

Production
Preparation went from July 31 to August 9. Shooting lasted from August 10 to 21.

Trivia

 * Oliver mentioned Blüdhaven, referencing a city in the comics. It temporarily served as the home and base of operations to Nightwing.
 * Peter Declan was held in Iron Heights Penitentiary, a prison located near Keystone City, the Flash's base of operations.