UFO Strange Object In Mexico April 2013

This strange object was spotted in Mexico. Technically it is a UFO as no one seems to know for sure what it is. Is it an alien UFO crashing down to Earth, not likely. However it does look like it could be something to do with the Mexican military testing a new plane or weapon. Or perhaps the reflection of contrails from an airliner.. Whatever it is it looks very strange. It's a bit of a shame that the person filming this footage did not record for longer. If it did come crashing down to earth as the title of the video claims, surely you would keep filming until the object hit the ground or disintegrated. Or is this clip incomplete?. Never the less, still a good sighting.