It happened at pond lake in Charleston Township.. The boy`s mother tells State Troopers that her two boys, a 3 -year old and the two year old were playing in the front room while she was cleaning their bedroom.. When she came out, the boys were gone. The 3 year old was able to unlatch the deadbolt on the front door. The little boys walked to a pond about 75 yards away.. The 2 year old fell in and drowned. The death has been ruled accidental.