A man suspected of burning and stabbing a pit bull puppy that later died was arrested early Thursday, according to reports. Deshann Brown, 21, was arrested shortly after midnight in Corinth, a community in Denton County, and charged with animal cruelty, according to a report from NBC 5. The 10-month-old puppy, named Mercy, died Sunday despite efforts to save her from extensive injuries. She had been cut, stabbed, doused with gasoline and set afire. At one point last week, her caretakers said she had experienced a comfortable night and was eating. Mercy was found about two weeks ago in a...