Young entrepreneur Blake Resnick has already generated headlines--and considerable investor backing--for his work tailoring tech aboard small drones to the exacting, often perilous demands of police work. Now the 24-year-old founder of Seattle-based startup Brinc is taking his innovation within the booming, $6.4 billion uncrewed aerial vehicle (UAV) sector a step further, launching what the company calls the "first ever purpose-built 911 response" craft. Not surprisingly, he's dubbed it Responder.