Original sentence: After Smith was killed by a mob, Brigham Young (see also succession crisis), the President of the Quorum of the Twelve Apostles, was sustained by the majority of Smith's followers as the next Prophet and President of the Church.Church members further believe that in the spring of 1820, God and His Son, Jesus Christ, appeared to a 14-year-old boy named Joseph Smith, Jr.In the process, Joseph Smith and Oliver Cowdery are believed to have received authority to perform baptism and other ordinances from resurrected beings who held the authority anciently, including John the Baptist, the apostles Peter, James and John, and the ancient prophet Elijah.This event is believed to have set in motion the events that led to the restoration of the ancient Church of Jesus Christ to the earth with its truths and priesthood authority
Edited sentence: After Smith's martyrdom by a mob, Brigham Young (see also succession crisis), the President of the Quorum of the Twelve Apostles, was sustained by the majority of Smith's followers as the next Prophet and President of the Church.In the process, Joseph Smith and Oliver Cowdery received authority to perform baptism and other ordinances from resurrected beings who held the authority anciently, including John the Baptist, the apostles Peter, James and John, and Elijah.In the spring of 1820, God and His Son, Jesus Christ, appeared to a 14-year-old boy named Joseph Smith, Jr.This event set in motion the events that led to the restoration of the ancient Church of Jesus Christ to the earth with its truths and priesthood authority