FORT LAUDERDALE, Fla.—The gunman who killed 17 at a Florida high school four years ago had no expectation of privacy when he posted disturbing photographs to a public Instagram account before his rampage and prosecutors can use them in his upcoming penalty trial, a judge ruled at a hearing Monday. Nikolas Cruz wanted others to see photographs he posted without restrictions of himself with guns and the jurors who will decide whether to recommend the death penalty for the 2018 shooting at Marjory Stoneman Douglas High in Parkland can see them, Circuit Judge Elizabeth Scherer ruled. She rejected the argument of Nawal Bashimam, one of Cruz’s public defenders, who said Cruz was not required to make his Instagram account private to have a reasonable expectation of privacy. “If you make your account public, how can you possibly have a reasonable expectation of privacy when the entire world can see it?” …