Melissa Harris-Perry 03/23/12

Dissecting the details of Trayvon Martin's case

MSNBC's Melissa Harris-Perry walks through the investigation into the death of 17-year-old Trayvon Martin, who was shot and killed within a gated community last month. His shooter, George Zimmerman, has yet to be arrested. To discuss the case in detail ... more Duration: {{video.duration.momentjs}}