Violence, a disaster emergency. as part of a new strategy to curb gun related crime in the state. nbc's gabe gutierrez reports. >> reporter: a masked gunman in new york city dressed in black, calmly walking up behind another man and shooting him in the back in broad daylight. also in new york, a man on a scooter opens fire as bystanders scramble for fire. >> today, first state in the nation is going to declare a disaster emergency on gun violence. among other things, new york state will now require large police departments to submit data on shootings in hot spots. homicides are surging, up 33 ...