Poachers broke into a Paris Wildlife Preserve Monday night and shot a 4 yr. old extremely endangered Southern white rhino subspecies named Vince...then they hacked off his horn, probably with a chain saw...2 other white rhinos in the same preserve were unharmed...."the whole staff is extremely shocked"...there aren't many rhinos left in the world, and now they're not even safe in zoos??...1 kilogram of rhino horns is worth almost $60K dollars in places like Viet Nam and elsewhere in Asia......what piece of sh*t would do this......the 3 men pictured below are working with an International Group to help protect rhinos around the world.....Poachers Kill Rhino in Zoo Getty Images