9-year-old boy tries to kill his 5-year-old sister

A 9-year-old boy allegedly stabbed his five-year-old sister and now faces charges of attempted murder. The child remains detained while the psychological and forensic skills of the case are carried out. His mother told the police that he left for 10 minutes on Monday to pick up the mail and find some candy for the children. Upon returning, he found his son with a kitchen knife in his hand and stabbing him at his little sister.