and investigate a person s immigration stat fuss they suspect a perch is undocumented. i would love for someone to explain to me how you can tell if someone is undocumented, because no one looks undocumented, unless have you preconceived notions of racial, ethn ethnic, or linguistic characteristics go with undocumented status. i come back to why this should matter, not just to certain communities, but to everyone. we spoken before in nerdland about people having a right to lead full lives. a founding prip pell in our country. when a person s basic rights and humanity are challenged simply because of how they look, the color of their skin or how their jeans fit. it doesn t just affect them it affects our very democracy. joining me, seal chang, criminal justice department for wnyc radio. and althea butler of the university of pennsylvania. alan jenkins of the opportunity agenda and from south carolina, former nypd detective and director of the black law