TAIPEI, TAIWAN - MARCH 28: People pray at a makeshift memorial where a girl was found decapitated by a knife-wielding assailant outside a subway station on March 28, 2016 in Taipei, Taiwan. A four-year-old was beheaded on Monday morning in front of her mother's eyes in Taipei. According to reports, a 33-year-old man, was arrested by the police and said to be "mentally unstable". (Photo by Billy H.C. Kwok/Getty Images)
