Joahana Hernandez Martinez was 22 when she died in a fatal shooting in Tucson, Arizona, on March 22, 2015. Born May 28, 1992, her death prompted a Tucson Police Department investigation; online memorials show family and friends remembered her with candles and messages.

If anyone knew Joahana, witnessed the shooting, or has information that could help clarify what happened that day, please share what you know with Tucson police.