[Warning: This story contains major spoilers from the season finale of Alcatraz. Read at your own risk.]
Alcatraz's two-hour season finale left viewers thunderstruck after fan-favorite heroine Rebecca (Sarah Jones) met her demise at the hands of her grandfather (David Hoflin). The powers that be behind the '63s' disappearance were also revealed to be the Warden (Jonny Coyne) and a mysterious unidentified man who, TVGuide.com has learned, is actually named Mr. K (Matt Craven).
On top of all that, it turns out there are two factions of '63s working together. Their motives? Still mostly unknown. So what happens if Fox doesn't renew the series and we don't get the answers to the new mysteries raised? We turned to executive producer Daniel Pyne to get the scoop: