The 21-year-old man charged with capital murder in the fatal shooting of 22 people at a Walmart in El Paso, Texas, pleaded not guilty Thursday during a brief initial hearing.Crosses are placed at a makeshift memorial for victims of the El Paso mass. A gunman opened fire on Aug. 3 at a Walmart, killing 22 people. (John Locher/The Associated Press)The 21-year-old man charged with capital murder in the fatal shooting of 22 people at a Walmart in El Paso, Texas, pleaded not guilty Thursday during a brief initial hearing. Police have said Patrick Crusius, of Dallas, confessed to the Aug. 3 mass shooting and that he targeted Mexicans. Some two dozen people survived the attack with injuries, and two of them remain in the hospital, officials said.Crusius walked into the courtroom wearing a dark suit, white shirt and glasses. He was sworn in, waived the reading of his indictment and pleaded not guilty. The entire hearing lasted less than three minutes. Around 80 members of the public crammed into the courtroom on the top floor of the El Paso County Courthouse to witness his first appearance. A handful wiped away tears as Crusius pronounced his plea. Among the crowd was a delegation from the Mexican Consulate. Eight Mexican citizens were killed in the attack and most had Hispanic last names. Among the dead was a German citizen who lived in Ciudad Juarez, Mexico. A bailiff had asked the court to remain quiet and warned against outbursts. Mass shooting suspect Patrick Crusius is seen in the 409th state District Court in El Paso, Texas on Thursday. (Mark Lambie/The El Paso Times via -) Local prosecutors have said they will seek the death penalty. Federal authorities are weighing capital murder and hate crime charges. The Department of Justice has called the shooting an act of domestic terrorism. There were 2,000 witnesses at the scene of the massacre, so almost everybody in the city of about 700,000 knew somebody affected by the shooting. The first judge assigned to the case recused herself because she knew one of the people killed in the attack. The lead prosecutor said his sister also was in the Walmart during the attack and that the gunman walked right by her. Watch: El Paso victims remembered Learn about the lives of the victims who were killed when a gunman opened fire at a crowded El Paso, Texas shopping centre. 2:13 According to police, Crusius fled the scene of the shooting in his car but turned himself in less than an hour later. His arrest warrant says he declared: “I’m the shooter.” In documents filed Thursday, the El Paso prosecutor notified the court that he had shared evidence with the defence on Sept. 27. That evidence includes police and FBI interviews with Crusius, data from his cellphone, records from the Dallas-area schools he attended and tens of hours of footage captured by Walmart security cameras around the time of the shooting, according to court records. It also includes the FBI’s “manifesto analysis” — a likely reference to a racist screed, railing against an influx of Hispanics into the U.S. that authorities have said Crusius posted online before the shooting. ‘Keep an open mind,’ defence urges Meanwhile, Crusius’s legal team appealed for open minds as they present their portrait of Crusius. “There are two sides to this story,” said Mark Stevens, the lead defence attorney. “… We’ll ask everybody, media and everybody else, to keep an open mind until you hear both sides of the story, what comes out in the courtroom.” Joe Spencer, the assistant defence attorney, said he and Stevens “are morally opposed to the death penalty” and that they “will use every breath we have to try to save Patrick’s life.” He added that the El Paso community needs closure and healing, “and the quickest way to get closure and healing is not through seeking the death penalty.” Crusius is being held without bond in an El Paso jail. He has been on suicide watch since shortly after his arrest and is separated from other prisoners.