Face to Face With an Alligator? Here's What to Do / Video shows alligator "knocking" at front door of Florida home / Children arrive at Florida preschool to find nine-foot alligator in parking lot / Alligator attacks, kills woman canoeing with her husband in Florida / Alligator Kills Woman After Flipping Her Canoe in Florida, Officials Say / Woman canoeing in Florida river attacked and killed by alligator despite husband's desperate attempt to save her / An alligator kills a Florida woman after tipping over her canoe, investigators say / Woman killed by alligator on Florida's Lake Kissimmee after her canoe flipped / Woman killed by alligator in Florida lake / Woman attacked and killed by alligator on a central Florida lake