Original sentence: The 9/11 truth movement is a name for individuals and groups who seek to find what they see as the truth behind the attacks on September 11 2001.The movement has been criticised for selecting certain details, ignoring others and claiming anything anomalous about the day's events supports their claims.These claims are sometimes contradictory
Edited sentence: The 9/11 truth movement is a name for individuals and groups who seek to find the truth behind the attacks on September 11 2001.The movement has been criticised for selecting certain details, ignoring others and claiming anything anomalous about the day's events supports their claims, but often fail to provide the proverbial smoking gun