How a crime scene investigator keeps her sons safe

      |Officer Shelita Haynes with the New Orleans P.D. Crime Scene Unit responds to shootings nearly every night. Many of the victims are around the same age as her teenage sons, Jerome and Jamal. But Officer Haynes finds comfort knowing her sons are in the L.E. Rabouin High School Marching Band. Within the walls of the band room there is safety from the streets. More: "48 Hours Presents: the Whole Gritty City"