President Donald Trump called the suspect in Wednesday's Florida school shooting "mentally disturbed."<br />Nikolas Cruz has been charged with 17 counts of premeditated murder after the shooting spree at Marjory Stoneman Douglas High School in Parkland, Florida.<br />Trump tweeted Thursday, "Neighbors and classmates knew he was a big problem. Must always report such instances to authorities, again and again!"<br />Cruz's social media pages display a fixation with weaponry. <br />
