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The Latino Rangers include Ray Martinez , who as an Austin policeman shot and killed University of Texas tower sniper Charles Whitman in 1966 .
 Ray Martinez, Charles Whitman
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; word3, word4". 
Option: Organization based in, Located in, Live in, Work for, Kill 
Text: {0} 
Answer:
 Ray Martinez, Charles Whitman