Grandfather locked up guns, but 13-year-old used tools to take apart, reassemble cabinet, police say. Reported by Amanda Garrett. The man seemed to do almost everything right to keep his guns out of the wrong hands. He locked them inside a wood and glass cabinet and hid the key at someone else’s house. No one suspected any of the guns missing until Monday night when Streetsboro police found the man’s .357 Magnum at the home where two of his grandsons lived. Police suspect the man’s 13-year-old grandson used the handgun to shoot and kill his 11-year-old brother. For more on this and other stories, visit Ohio dot com or pick up the latest copy of the Akron Beacon Journal today.