Nikolas Cruz, accused of killing 17 people at Marjory Stoneman Douglas High School, is willing to plead guilty in order to be spared the death penalty.
Revelations about Cruz's time in jail come as Florida prosecutors present their case for a formal indictment to a grand jury this week.
Tony Garces was hospitalized with a blood clot in his lung after disarming a would-be church shooter — and then getting shot by the police.
On Jan. 5, the caller left information on Nikolas Cruz's "desire to kill people, erratic behavior, and disturbing social media posts, as well as the potential of him conducting a school shooting," the FBI said.
Reported shooting at a high school in Parkland, Florida.