Law enforcement boats patrol the St. Johns River at The Jacksonville Landing after a mass shooting during a video game tournament at the riverfront mall, Sunday, Aug. 26, 2018, in Jacksonville, Fl …

Law enforcement boats patrol the St. Johns River at The Jacksonville Landing after a mass shooting during a video game tournament at the riverfront mall, Sunday, Aug. 26, 2018, in Jacksonville, Fla. (Will Dickey/The Florida Times-Union via AP)