W. Virginia officials did n't update a background check database in time , prosecutor says . The ` ` inexcusable delay '' allowed suspect to buy a gun , prosecutor says . Once updated , authorities stopped a second gun purchase by Tennis Melvin Maynard . Maynard is accused of killing West Virginia Sheriff ' " ` ` Eugene '' Crum .
W. Virginia officials did n't update a background check database in time , prosecutor says . The `` inexcusable delay '' allowed suspect to buy a gun , prosecutor says . Once updated , database stopped a second gun purchase by Tennis Melvin Maynard . Maynard is accused of killing West Virginia Sheriff Walter E. `` Eugene '' Crum .