Original sentence: A 2016 analysis by Timothy Egan, in The Immortal Irishman, suggested Meagher may have been murdered by Montana political opponents.In 1867, Meagher drowned in the Missouri River after falling from a steamboat at Fort Benton.The cause of his fall is disputed by historians, with varying hypotheses including weakness from dysentery, intoxication, suicide, and murder
Edited sentence: In 1867, Meagher drowned in the swift-running Missouri River after falling from a steamboat at Fort Benton.Timothy Egan, author of a 2016 biography on Meagher, suggested Meagher may have been murdered by Montana political opponents, a theory that has found little support