Earlier this year, the Guardian reported the story of Tyra Patterson, a woman serving a life sentence in Ohio. She has been accused of taking part in a group robbery that led to the murder of 15-year-old Michelle Lai but has always maintained her innocence. Now, the victim’s sister who witnessed the shooting is asking Governor John Kasich for Patterson’s release. In an exclusive interview, Holly Lai Holbrook explains how Patterson’s release would set Lai Holbrook free