Nikolas Cruz will plead guilty to murder in the 2018 mass shooting that killed 17 students and staff at Marjory Stoneman Douglas High School in Parkland, Florida, his lawyer told a judge on Friday. Cruz’s attorney told a judge his client will plead guilty next week to all charges in what was the deadliest U.S. high school shooting. He faced 17 counts of premeditated murder and 17 counts of attempted murder. Broward Circuit Judge Elizabeth Scherer noted Cruz, now 23, could change his mind before his plea hearing, which she agreed to set for 9 a.m. on Wednesday. Cruz was 19 and an expelled student at the time of the Feb. 14, 2018 mass murder. Prosecutors at the Broward State’s Attorney Office have said they will seek the death penalty for Cruz, noting in court documents that the shooting involving an AR-15 rifle was “cold, calculated and premeditated.” Even if …