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A brave civilian with a concealed weapons permit tried to stop him but was gunned down by David Hernandez Arroyo Sr , the scumbag who happened to be wearing body armor at the time and who also took out his ex - wife over a child support dispute .
 civilian: victim; David Hernandez Arroyo Sr: agent
Given event type and trigger, please tell me the arguments of all the listed option. Output format is "name1: role1; name2: role2". 
Event type: die 
  Option: victim, person, place, agent, instrument 
Text: {0} 
Answer:
 civilian: victim; David Hernandez Arroyo Sr: agent