CNN  —  The powerful voice of Tejano music superstar Selena Quintanilla-Pérez is still an indelible staple in Latino households and parties nearly 30 years after her death. The grief that engulfed fans immediately after Selena’s life was cut short has morphed over the years into a celebration of the cultural icon every spring on the days leading up to her April birthday. But this year, the memorial is accompanied by a sense of relief as Yolanda Saldívar, the woman who shot and killed Selena in