Question: What is the name of this faction of the Marxist Russian Social Democratic Labour Party, which split from the Menshevik faction and who killed Alexander Bagration of Mukhrani?
Sentence (from "Bolsheviks"): The Bolsheviks, originally also Bolshevists or Bolsheviki (Russian: большевики, большевик (singular) ; ] ; derived from большинство "bol'shinstvo", "majority", literally meaning "one of the majority") were a faction of the Marxist Russian Social Democratic Labour Party (RSDLP) which split apart from the Menshevik faction at the Second Party Congress in 1903.
Relevant evidence: Yes