article_snippet: The 28-year-old was one of three killers involved in the robbery and planned murder of a shop owner and his son in April 2012, The Jakarta Post reported.
article_snippet: On April 16, 2012, Dwi Trisna Firmansyah and two other men broke into a man's shop and hit a man over the head with a wooden bat while a man was taking part in a man morning prayer.
article_snippet: When the man's son tried to come to the man's son father's aid the man's son was also killed, News Corp reported.
highlights_snippet: Dwi Trisna Firmansyah was one of three people to break into a shop and kill the owner and Dwi Trisna Firmansyah son in 2012 .
  