NEW : Officer Oliver Smith , 30 , had built four homemade bombs , police chief says . NEW : Police think he pulled fire alarm , perhaps to draw people out of rooms , into open . NEW : Police put together information to find out who he planned to attack . NEW : When police entered the dorm room , they found Seevakumaran dead from an apparent self-inflicted gunshot wound to the head , a handgun , an assault weapon , a couple hundred rounds of ammunition and four homemade bombs in a backpack . He had few friends , had anger issues , chief says .
NEW : Officer Oliver Smith , 30 , had built four homemade bombs , police chief says . NEW : Police think he pulled fire alarm , perhaps to draw people out of rooms , into open . NEW : Police put together information to find out who he planned to attack . NEW : He had few friends , had anger issues , chief says .