Complex sentence: Bam-Bam later joined after meeting Pendleton at an "Industrial Dance" in Phoenix, and bestowed the moniker on the band, which is a reference to his second-cousin's, John Hinckley, Jr., attempted assassination of Ronald Reagan.
Split into simpler sentences: Bam-Bam later joined after meeting Pendleton at an "Industrial Dance" in Phoenix. The bands name is a reference to John Hinckley, Jr. 's, attempted assassination of Ronald Reagan.