EXCLUSIVE : Fox is staying in the cozy crime space with a Season 3 renewal for Murder in a Small Town . In the new 10-episode installment, returning leads Rossif Sutherland and Kristin Kreuk will be joined by Peter Gallagher ( The O.C., Grace and Frankie ) who has been tapped as a series regular. While Murder In a Small Town has been dormant after wrapping its second season in early December, its renewal for another limited run had been expected as the mystery drama has emerged as a reliable utility player for Fox, a sturdy performer at a very appealing price point. Season 2 of Murder In a Small Town improved on Season 1’s 7-day multiplatform audience by +11%, and saw series highs in both 7-day total multiplatform and streaming with solid showing in Hulu and a rare year-to-year linear viewership increase.…