In this task, you are given a text of many news articles seperated by special token "|||||". Your task is to summarize them.
Q: Nikolas Cruz, the suspect in Wednesday’s mass shooting at Marjory Stoneman Douglas High School in Parkland, was booked into Broward County Main Jail Thursday morning and made his first court appearance Thursday afternoon. 
  
 Predictably, charged with 17 counts of premeditated murder, the 19-year-old was denied bond. 
  
 “You’re charged with some very serious crimes,” Broward County Judge Kim Theresa Mollica told the defendant via a video feed from the County jail to her courtroom. 
  
 Broward assistant public defender Melissa McNeill invoked Cruz’s right to silence while he stood by her in an orange inmate uniform from the county jail. His wrists and ankles were shackled. He showed no emotion and only responded once to a judge’s question about whether he understood why he was in court: 
  
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 “Yes, ma’am.” 
  
 After the court hearing, the chief assistant public defender Gordon Weekes described the defendant’s demeanor as “deeply troubled.” 
  
 Asked if Cruz is on suicide watch, Weekes said: 
  
 “To my understanding, he is on suicide watch,” Weekes said, as he explained the importance of the defendant’s right to legal counsel despite the multiple murder allegations against him. 
  
 Weekes broke up as he spoke with reporters outside the courtroom. 
  
 “This is a loss for this community — a tragic loss,” Weekes said. ||||| So many signs that the Florida shooter was mentally disturbed, even expelled from school for bad and erratic behavior. Neighbors and classmates knew he was a big problem. Must always report such instances to authorities, again and again! ||||| In this frame grab from video provided by WPLG-TV, students from the Marjory Stoneman Douglas High School in Parkland, Fla., evacuate the school following a shooting there on Wednesday, Feb. 14, 2018.... (Associated Press) 
  
 In this frame grab from video provided by WPLG-TV, students from the Marjory Stoneman Douglas High School in Parkland, Fla., evacuate the school following a shooting there on Wednesday, Feb. 14, 2018. (WPLG-TV via AP) (Associated Press) 
  
 PARKLAND, Fla. (AP) — The Latest on a deadly school shooting at a Florida high school (all times local): 
  
 6:15 a.m. 
  
 The 19-year-old suspect in a deadly rampage at a Florida high school is being booked into jail after being questioned for hours by state and federal authorities. 
  
 Television footage showed Nikolas Cruz being escorted by sheriff's deputies from the Broward Sheriff's headquarters to the county jail in Fort Lauderdale early Thursday morning. 
  
 Seventeen people were killed as gunfire erupted at Marjorie Stoneman Douglas High School just before classes ended Wednesday afternoon. 
  
 Cruz was captured in a quiet neighborhood about two miles from the school. Sheriff's officials said in an email that Cruz was initially taken to a hospital for labored breathing before being questioned at sheriff's headquarters. 
  
 Counselors are being made available for students, teachers and staff, but the school will remain closed as an investigation continues. 
  
 ______ 
  
 1:01 a.m. 
  
 Just before the shooting broke out, some students at Marjory Stoneman Douglas High School thought they were having another fire drill. 
  
 Such an exercise had forced them to leave their classrooms hours earlier. So when the alarm went off Wednesday afternoon shortly before they were to be dismissed, they once again filed out into the hallways. 
  
 That's when police say 19-year-old Nikolas Cruz, equipped with a gas mask, smoke grenades and multiple magazines of ammunition, opened fire with a semi-automatic weapon, killing 17 people and sending hundreds of students fleeing into the streets. It was the nation's deadliest school shooting since a gunman attacked an elementary school in Newtown, Connecticut, more than five years ago. ||||| For the latest news in the wake of the Florida school shooting, read Thursday’s coverage. 
  
 PARKLAND, Fla. — The suspect in one of the deadliest school shootings in modern American history confessed to the police that he “began shooting students that he saw in the hallways and on school grounds,” according to a police arrest report released Thursday. 
  
 The suspect, Nikolas Cruz, 19, carried a black duffel bag and backpack, where he hid loaded magazines, the report said. He arrived at Marjory Stoneman Douglas High School in Parkland in an Uber at 2:19 p.m. on Wednesday and pulled out a semiautomatic AR-15 rifle, according to details described by the authorities at a news conference on Thursday. 
  
 Mr. Cruz also shot people inside five classrooms on the first and second floors of the freshman building. He eventually discarded the rifle, a vest and ammunition in a stairwell, blended in with fleeing students and got away, the authorities said. 
  
 After leaving the school, Mr. Cruz walked to a Walmart, and bought a drink at a Subway. He also stopped at a McDonald’s. He was arrested by the police without incident as he walked down a residential street at 3:41 p.m. 
  
 “He looked like a typical high school student, and for a quick moment I thought, could this be the person who I need to stop?” said Officer Michael Leonard. 
  
 Here are the takeaways: 
  
 • Mr. Cruz faces 17 counts of premeditated murder — one for each of the people he is accused of killing on Wednesday in a shooting that was captured on cellphone video by terrified students. He is being held without bond at the main Broward County jail, where he has been placed on suicide watch, according to Gordon Weekes, the county’s chief assistant public defender. 
  
 • The AR-15 rifle used in the attack was purchased legally, at Sunrise Tactical Supply in Florida, according to a federal law enforcement official. The arrest report said Mr. Cruz purchased it in February 2017. “No laws were violated in the procurement of this weapon,” said Peter J. Forcelli, the special agent in charge for the Bureau of Alcohol, Tobacco, Firearms and Explosives in Miami. 
  
 • The F.B.I. said on Thursday it received information last year about a comment made on a YouTube channel which has been attributed to the gunman, but was unable to identify the person. 
  
 • In Florida, an AR-15 is easier to buy than a handgun. Read more on how the AR-15 became one of the weapons of choice for mass killers, and the research that tries to explain the high rate of mass shootings in the United States. 
  
 • With this shooting, three of the 10 deadliest mass shootings in modern United States history have come in the last five months. Here is a graphic that records the grim toll of school shootings across the nation. 
  
 • A huge crowd gathered at Pine Trails Park in Parkland for an emotional vigil to commemorate the victims, 14 of whom were students. Read more about the victims here. The football team gathered separately nearby, forming a circle and locking hands before praying for a coach and an athletic director who were killed. 
  
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A: 
Nikolas Cruz was on Thursday morning formally charged with 17 counts of premeditated murder and booked into Broward County Main Jail. The Miami Herald reports the 19-year-old will be arraigned later Thursday and denied bond based on the charges. Cruz was taken to a hospital for labored breathing in the wake of the attack, reports the AP, and was subsequently questioned for hours by state and federal authorities. The New York Times notes that of the 10 deadliest shootings in modern US history, three—the Marjory Stoneman Douglas High School in Parkland, the Las Vegas massacre, and November's Texas church shooting—have occurred in the last five months. President Trump this morning tweeted his thoughts on the mass shooting: "So many signs that the Florida shooter was mentally disturbed, even expelled from school for bad and erratic behavior. Neighbors and classmates knew he was a big problem. Must always report such instances to authorities, again and again!"