 The injured ranger is said to be in stable condition and being treated at a nearby hospital. The FBI is investigating the incident and the park says there are no active threats to the public at this time. CBS News reporter Lindsay Reiser. It has been a deadly, continues to be a deadly, apparently July 4th holiday across the country. Another shooting this time in the city of Cleveland where they're mourning the death of a police officer who was killed in the line of duty.