By Jared Bowen
Nearly 6,000 photographs have become part of the MFA's collection, thanks to trustee Saundra Lane. Meanwhile, photographer Arthur Griffin's work at Fenway celebrates the ballpark's 100th anniversary.
On stage: Lonesome West and Xanadu.
A gang killing is investigated in which the victim was sexually mutilated. Meanwhile, Sean tells Rachel that he has contacted her estranged mother and that she wants to see her daughter.
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