A 13-year-old boy who was making so-called "ghost guns" has been arrested after he allegedly shot and killed his 14-year-old sister with one of his own homemade firearms, according to authorities.
A 13-year-old boy who was making so-called "ghost guns" has been arrested after he allegedly shot and killed his 14-year-old sister with one of his own homemade firearms, according to authorities.