Selena Quintanilla Vinnie Zuffante/Getty Images Yolanda Saldívar, the woman who shot and killed Selena Quintanilla-Perez in 1995, “feels like she’s a political prisoner,” a relative says. While speaking to the New York Post in an interview published on Wednesday, March 4, the unnamed person added, “Enough is enough” in regards to Saldivar’s life sentence. “She’s…