Zawahri , 23 , who lived with his father in a house that was also set afire , wrote a three- to four-page handwritten letter in which he spent a `` larger '' measure of it saying good-bye to his friends than talking about his family , police said . Police are n't disclosing how they obtained guns while in rampage . Slain says John Smith says his father 's estate will support his mother . The handwritten letter ` ` was more of a statement , '' police chief says . U.S. Justice Department said he was ineligible to buy a weapon in 2011 , police say .
Police are n't disclosing how they obtained guns while in rampage . Slain says John Smith says his father 's estate will support his mother . The handwritten letter ` ` was more of a statement , '' police chief says . U.S. Justice Department said he was ineligible to buy a weapon in 2011 , police say .