Random shooting in the united states

Its so unfortunate that these days the united states its no longer safe to go to the mall, movies or even the airport for fear of being shot out of no where, really sad.

Todays shooting New jersey's garden state plaza, leaving people running helter skelter.

Shooting at Lax Airport on 4 days ago, causing the airport to be shot down , leaving people stranded and afraid and by a 23 years old. I can go on and on, and these sad acts are done by people in their 20ties, what is going on? what has gotten into our youth of these days? 'Its really sad.