Original sentence: Swann has questioned the number of shooters at the Aurora, Colorado and Sandy Hook Elementary School shootings, expressed skepticism of official accounts of the 9/11 attacks, and pushed scientifically-discredited claims of a link between vaccines and autism
Edited sentence: Swann has on various platforms promoted conspiracy theories surrounding the Aurora, Colorado and Sandy Hook Elementary School shootings, expressed skepticism of official accounts of the 9/11 attacks, and pushed scientifically-discredited claims of a link between vaccines and autism