ISON Debris Falling To Earth? Streak Over Phoenix

In this video there appears to be a strange object cruising through the sky leaving a chemical trail however it is rumored that this could be a piece of the comet ISON falling to the earth.  To me it looks like the head of a comet or meteor.  There was no confirmed Meteorites landing in Phoenix that day.  The objects tail also breaks up strangely as well.