Story. what kind of progress are investigators making? >> the sheriff says he has 15 investigators assigned to the case and have both digital and physical evidence. >> the information we are receiving right now, yes, there is multiple suspects, at least the information which we are being given. >> the sheriff says there is strong information to suggest it's tied to low level poorly organized gangs. the investigation began thursday with the discovery of a 16-year-old shooting victim near a rural construction site. injuries so severe she could not speak with deputies or provide information befor...