About Elementary Season 1, Episode 20 : Dead Man's Switch

Sherlock and Joan hunt for the accomplice of a murdered blackmailer who targeted families of rape victims. Meanwhile, Sherlock resists celebrating his first year of sobriety. Guest Stars: Thomas Jay Ryan, Wayne Duvall, Joseph Siravo, Tom Guiry, David Mogentale, Randy Louis Swiren, Portia Reiners, Russell G. Jones, Ato Essandoh,