As school violence escalates...

Sheets, 14, was carrying three handguns owned by his stepfather, firearms the family had tried to secure by locking them away. Sheets reportedly acquired the key without his family's knowledge. [...] Separate from the Red Lion case, however, educators and law enforcement personnel have warned that allowing children to have easy and unsupervised access to guns is just one risk factor associated with school violence.

Let's get this straight here. How do they get to "easy and unsupervised access to guns" from a 14 year old who stole the guns out of his family's gun safe?