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True to form , on the final stroke of midnight a mysterious killer in a heavy black cloak and hood shoots him dead with a rather large pistol ( " how " dead he is , though , is a matter of question ) , and a police officer ( voiced by Billy Bletcher , modeled on characters portrayed in film by Fred Kelsey ) immediately begins to investigate .
 person: Billy Bletcher; person: Fred Kelsey
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 person: Billy Bletcher; person: Fred Kelsey