Darion Marcus Aguilar, 19, of College Park, Maryland, identified by police as the gunman in Saturday's Columbia Mall shooting, is seen in an undated photo released by the Howard County Police ... more 
Darion Marcus Aguilar, 19, of College Park, Maryland, identified by police as the gunman in Saturday's Columbia Mall shooting, is seen in an undated photo released by the Howard County Police Department in Maryland on January 26, 2014. Speaking at a news conference Sunday, police could provide no immediate insight into why Aguilar killed a young man and a young woman at the mall in Columbia, Maryland, about 20 miles (32 km) west of Baltimore, before apparently killing himself. REUTERS/Howard County Police Department/Handout via Reuters (UNITED STATES - Tags: CRIME LAW) ATTENTION EDITORS - THIS IMAGE HAS BEEN SUPPLIED BY A THIRD PARTY. IT IS DISTRIBUTED, EXACTLY AS RECEIVED BY REUTERS, AS A SERVICE TO CLIENTS. FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS less 
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Reuters | Photo By HANDOUT / REUTERS
Sun, Jan 26, 2014 6:46 PM EST