Suspect in Taiwan had sought treatment for mental illness
                                
                                
                                    (Newser) -
                                    A nearly unthinkable killing unfolded on the streets of Taipei, Taiwan, on Monday, when a man beheaded a 4-year-old girl in full view of her mother. It appears to have been a random attack, and the 33-year-old suspect has a history of mental issues, reports the  Taipei Times . The victim...