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Shooting suspect Aaron Ybarra, left, is led in chains to a court hearing at a King County Jail courtroom Friday, June 6, 2014, in Seattle. Ybarra was arrested in the killing of a 19-year-old student and wounding of two other young people Thursday at Seattle Pacific University. Police say another student pepper-sprayed and tackled him. (AP Photo/Elaine Thompson)

SEATTLE (AP) — The man blasting away with a shotgun paused to reload, and Jon Meis saw his chance.

The 22-year-old building monitor pepper-sprayed and tackled the gunman Thursday in Seattle Pacific University's Otto Miller Hall, likely preventing further carnage, according to police and university officials.

Meis and other students subdued the gunman until officers arrived and handcuffed him moments later.

Police said the shooter, who killed a 19-year-old man and wounded two other young people, had 50 additional shotgun shells and a hunting knife.

He told authorities after his arrest that he wanted to kill as many people as possible before taking his own life, Seattle police wrote in a statement filed in court Friday.

Jon Meis is taken from the scene by medics after a shooting at Seattle Pacific University on Thursday, June 5, 2014 in Seattle. A 19-year-old man was
Jon Meis is taken from the scene by medics after a shooting at Seattle Pacific University on Thursday, June 5, 2014 in Seattle. A 19-year-old man was fatally shot and two other young people were wounded after a gunman entered the foyer at Otto Miller Hall on the Seattle Pacific University campus and started shooting Thursday afternoon. When the gunman paused to reload, a student building monitor disarmed him. Meis is the student monitor who is credited with stopping the suspected gunman, Aaron R. Ybarra, 26, by pepper spraying him and tackling him. (AP Photo/seattlepi.com, Joshua Trujillo) MAGS OUT; NO SALES; SEATTLE TIMES OUT; TV OUT; MANDATORY CREDIT (Joshua Trujillo/AP)

Friends credited Meis with saving lives.

"I'm proud of the selfless actions that my roommate, Jon Meis, showed today taking down the shooter," fellow student Matt Garcia wrote on Twitter. "He is a hero."

The suspect, 26-year-old Aaron R. Ybarra, has a long history of mental health problems for which he had been treated and medicated, said his attorney, public defender Ramona Brandes. He is on suicide watch at the jail.

"He is cognizant of the suffering of the victims and their families and the entire Seattle Pacific community," Brandes said. "He is sorry."

Meis, a dean's list electrical engineering student, was emotionally anguished but not injured in the shooting, Harborview Medical Center spokeswoman Susan Gregg said Friday. He was treated there and released.

Roman Kukhotskiy, 22, was in the building when the violence broke out. He said Meis is getting married this summer and has accepted a job with Boeing, where he has interned in previous years.

"I was amazed that he was willing to risk all that for us," Kukhotskiy said. "If Jon didn't stop him, what's to say? I could have been the next victim."

A woman cries as she sits with others near a prayer circle on the campus of Seattle Pacific University, Friday, June 6, 2014 in Seattle. Classes were
A woman cries as she sits with others near a prayer circle on the campus of Seattle Pacific University, Friday, June 6, 2014 in Seattle. Classes were cancelled Friday following a shooting at Otto Miller Hall Thursday afternoon. A 19-year-old man was fatally shot and two other young people were wounded after a gunman entered the foyer and started shooting. Aaron R. Ybarra, 26, was booked into the King County Jail late Thursday for investigation of homicide, according to police and the jail roster. (AP Photo/Ted S. Warren) (Ted S. Warren/AP)

The leafy campus of the private, Christian university about 10 minutes north of downtown Seattle was quiet the morning after the shooting, with a service held at midday. People stopped to pay their respects at a makeshift memorial near the science and engineering building where the shooting occurred.

Seattle Mayor Ed Murray identified the student killed as Paul Lee, a "Korean-American student with a bright future."

The gunman had just entered Otto Miller Hall when he opened fire in the foyer. Classes were taking place upstairs.

On Friday, Ybarra wore a protective vest at his appearance in a jailhouse courtroom. A judge found probable cause to keep him detained without bail at the King County Jail.

Two women embrace near a prayer circle on the campus of Seattle Pacific University, Friday, June 6, 2014 in Seattle. Classes were canceled Friday following
Two women embrace near a prayer circle on the campus of Seattle Pacific University, Friday, June 6, 2014 in Seattle. Classes were canceled Friday following a shooting at Otto Miller Hall Thursday afternoon. A 19-year-old man was fatally shot and two other young people were wounded after a gunman entered the foyer and started shooting. Aaron R. Ybarra, 26, was booked into the King County Jail late Thursday for investigation of homicide, according to police and the jail roster. (AP Photo/Ted S. Warren) (Ted S. Warren/AP)

Ybarra was hospitalized for mental health evaluations twice in recent years, said Pete Caw, assistant police chief in Ybarra's hometown, the north Seattle suburb of Mountlake Terrace.

In 2010, officers responded after Ybarra, heavily intoxicated, called 911 to report that he "had a rage inside him" and wanted to hurt himself and others, according to a report released by Mountlake Terrace police.

In 2012, police found Ybarra lying in a roadway, again severely intoxicated. He told officers he wanted a SWAT team "to get him and make him famous," a police report said.

Both times, police took Ybarra to Swedish Hospital in Edmonds for evaluation, Caw said.

Students and other attendees stand in prayer in Royal Brougham Pavilion, which was being used as an overflow site for a broadcast of a prayer service at
Students and other attendees stand in prayer in Royal Brougham Pavilion, which was being used as an overflow site for a broadcast of a prayer service at Seattle Pacific University Friday, June 6, 2014 in Seattle. The service was held a day after a fatal shooting at the school. (AP Photo/Ted S. Warren) (Ted S. Warren/AP)

He was arrested on suspicion of DUI in nearby Edmonds in 2012, said Edmonds police Sgt. Mark Marsh.

Ybarra's family said in a statement they were shocked and saddened by the shootings.

"We are crushed at the amount of pain caused to so many people," the statement said. "To the victims and their families, our prayers are with you."

Ybarra is not a Seattle Pacific student, police said. His friend Zack McKinley described him as "super happy and friendly," The Seattle Times reported.

McKinley said the attack was puzzling because Ybarra was happy to have just started a job bagging groceries. Ybarra could get emotionally low but had a good group of friends, McKinley said.

 

Late Thursday, investigators searched a Mountlake Terrace house believed to be tied to Ybarra.

Wounded in the shooting were a 19-year-old woman who remained in intensive care Friday after a five-hour surgery, and a 24-year-old man in satisfactory condition, Gregg said. Their identities were not released.

Meis, who graduated from Seattle Christian Schools in SeaTac, kept a low profile the day after the shooting. An outgoing voice message at a phone listing for his parents' home in Renton said: "We ask that you please respect our privacy during this time while we recover." It solicited prayers for students and the family of the man killed.

Salomon Meza Tapia, a friend who serves with Meis on the board of a student engineers group, described him as a hardworking student who is "always super chill."

"I am not surprised he was cool and collected enough to take action," he wrote in an email to the AP. "I was in the building, and I can say he definitely saved our lives. I am thankful to be alive and thank God for Jon Meis' courage and actions."

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Associated Press writers Rachel La Corte in Olympia and Manuel Valdes and Donna Gordon Blankinship in Seattle contributed to this report, along with AP news researcher Rhonda Shafner in New York.