Cisco assists Laurel Lance (Black Canary) by upgrading her "Canary Cry" device.
With the help of Captain Quentin Lance, they locate the crash site and unearth the real Harrison Wells' corpse . This confirms that the man at S.T.A.R. Labs is an impostor. Crossover Highlights: The Flash Season 1 - Episode 19
April 21, 2015 Directed by: Wendey Stanzler Written by: Ray Utarnachitt & Cortney Norris Overview Cisco assists Laurel Lance (Black Canary) by upgrading
Joe and Quentin share a "detective bro" heart-to-heart about the dangers of their secrets affecting their daughters. The Flash Season 1 Episode 19 Review - Sequart Organization Labs is an impostor
Joe West and Cisco Ramon travel to Starling City to investigate the 15-year-old car accident that killed Tess Morgan and ostensibly changed Harrison Wells.
Report: The Flash Season 1, Episode 19 – "Who Is Harrison Wells?"