The suspected gunman in a 2018 school shooting that left 17 people dead at Marjory Stoneman Douglas High School in Parkland, Florida, plans to plead guilty to all charges, his lawyers said Friday.

Before he was hauled into a jailhouse hearing room Thursday, head bowed and shackled at the wrists and ankles, Nikolas Cruz had been causing trouble as long as anyone here could remember. Almost ...