EXCLUSIVE: CBS has put in development Alleged, a drama from CBS TV Studios and Jon Turteltaub‘s studio-based Junction Entertainment. Written by playwright/TV writer David Rambo and Pat Gilfillan, the project centers on a defense attorney who takes on the most important case of his life: defending his own brother, a successful surgeon and father of two who is accused of murdering his wife. The story is informed by high-profile spouse murder cases like those of Drew Peterson and Scott Peterson much like another CBS/CBS TV Studios drama, The Good Wife, was inspired by a string of politicians wives who’d stood by their philandering husbands. This marks the first project under an overall deal WME-repped Junction recently inked with CBS Studios, returning to CBS after a two-year stint at ABC Studios. Turteltaub previously spent five years at CBS TV Studios, directing/executive producing the pilot for cult hit Jericho before segueing to a pair of back-to-back overall deals. Turteltaub executive produces Alleged with veteran Junction executive  Karim Zreik. Turtletaub’s latest feature — CBS Films’ Last Vegas, starring Michael Douglas, Morgan Freeman, Robert DeNiro and Kevin Kline — opens Friday. In features, Rambo, who serves as co-executive producer on NBC’s Revolution, is currently writing Tracy/Hepburn for Reunion Pictures and Jeff Sagansky. He is repped by the Rothman Brecher and Mitch Smelkinson. Gilfillan, a former labor layer and Nichol Fellowship winner, has vigilante action film, Lila & Eve, slated to go into production in January. He is with Epicenter and Tom Collier.