Complex sentence: After a recent attempt by a TSA "VIPR" team in Savannah to search passengers disembarking from an Amtrak train, the TSA was banned from Amtrak property by Amtrak Police Chief John O'Connor.
Split into simpler sentences: After a recent attempt by a TSA "VIPR" team in Savannah to search passengers disembarking from an Amtrak train. As a result of this action, the TSA was banned from Amtrak property by Amtrak Police Chief John O'Connor.