On this week’s episode of Who Do You Think You Are? award-winning actress Marisa Tomei searches for the truth behind her great-grandfather’s rumored murder. Learn what she uncovers and how getting a look at the big picture changes an entire generation’s view of one hardworking man in the family tree. Ancestry.com is a sponsor of Who Do You Think You Are?,  which airs Friday nights at 8/7c on NBC. And join Ancestry.com throughout the season at www.ancestry.com/wdytya for advice, tips and more to help discover more about your own family’s history.