Definition: Generate a correct and concise answer for the question based on the words in the context.
Input: Context : Roger Warren (born December 17, 1943) is a former miner who was convicted of nine counts of second-degree murder in connection to the September 18, 1992 Giant Mine bombings at Yellowknife, Northwest Territories, Canada.
Question : Which crime Roger Warren is considered to have commited?
Output:
murder