“With the growing abuse of opiates we found it necessary to ensure we have emergency medication for our four-legged officers in the event they are exposed to these narcotics,’’ said Miami Beach Police Detective Ernesto Rodriguez, spokesman for the agency. On Twitter, he shared a video of how quickly and easily the drug could be administered to a police dog. The department’s K9 unit has 13 officers who received the kits with the drug and nasal pump spray, Rodriguez said.