? Police are searching for the person who gunned down and killed a Bronx teenager as she tried to help a shooting victim.

Police say 17-year-old Jessica Calzado was with friends at a barbershop on Southern Boulevard Friday when she heard gunshots. Authorities say Calzado went outside to help the 24-year-old man who was shot and was gunned down in the process. Calzado was pronounced dead at Lincoln Medical Center. The other victim is in stable condition.

Relatives say Jessica was in the wrong place at the wrong time. Police have not made any arrests.