we've had three cases of children getting hold of their parents guns and, in one case, injuring a fellow classmate, and in two others resulting in the death of a child. the cases have been handled differently: in tacoma: TACOMA, Wash. -- Saying the death of a 3-year-old boy who shot himself in the head with a gun found under a car seat was the result of "criminal negligence," a Washington state prosecutor has charged the child's mother and her boyfriend with manslaughter. in bremerton: The mother of the Bremerton boy who brought a gun to school that critically injured a classmate was led from a Kitsap County courtroom in handcuffs on Thursday. Jamie Lee Chaffin, 34, is facing felony assault charges in connection with the shooting of Amina Kocer-Bowman last month. Police and prosecutors say the boy picked up the loaded, unsecured weapon during a weekend visit with Chaffin and her boyfriend. in stanwood: Last Saturday, the 7-year-old daughter of an off-duty Marysville police officer was fatally shot when a sibling found the officer's gun as the children were in a van, parked near the Stanwood City Hall, while the officer was outside. The death of Jenna Carlile is being investigated by the Snohomish County Sheriff's Office, and Snohomish prosecutors have said they will review the investigation upon its completion to determine whether criminal charges are appropriate.