Story highlights Marcela Franco, 26, has died, a relative and a college president say

The shooting suspect is identified by police as John Zawahri

His father, Samir, and brother Chris were two of the five people killed

The gunman also killed a driver on a college campus and a woman near the library

A 26-year-old woman who had registered to take summer classes at Santa Monica College died Sunday from wounds she suffered in a shooting spree Friday that left four others, including her father, dead.

Marcela Franco was with her father, Carlos Navarro Franco, 68, in an SUV on campus when they were shot. She was going to buy textbooks at the time.

Carlos Navarro Franco died; Marcela Franco was taken to Ronald Reagan UCLA Medical Center.

Relative Alfred Creollo told CNN Sunday that Marcela Franco had died. College President Chui L.Tsang also confirmed the death.

"Her family was with her by her side," Tsang said in a message to the school community. "Our deepest sympathies go to the Franco family. At the appropriate time, the College will convene a campus-wide memorial."

The school has created a fund honoring the Franco family.

The suspect in the shootings has been identified by Santa Monica police as John Zawahri.

John Zawahri in a 2006 yearbook photo from Santa Monica High School.

Authorities say he killed his father, Samir "Sam" Zawahri, and brother, Chris Zawahri, in a Santa Monica house before carjacking a woman and firing at a public bus on Friday.

Scant details are trickling in about Zawahri, who was killed by police at Santa Monica College on Friday -- the day before his 24th birthday.

The superintendent of the Santa Monica-Malibu school district said Zawahri attended a high school for students behind in academic credits in 2006.

"We are shocked and deeply saddened by the tragedy that ... once again, shatters our nation's confidence," Superintendent Sandra Lyon said.

Police had contact with the Zawahri in 2006, but because he was a juvenile, authorities couldn't release further information, Santa Monica Police Chief Jacqueline Seabrooks said.

A law enforcement source with knowledge of the investigation told CNN on Saturday that the gunman had suffered from mental health issues. A few years ago, he was hospitalized for treatment after allegedly talking about harming someone, according to the official.

It's not clear whether the state government or his family committed him for treatment or whether he committed himself. It's also unclear under what circumstances he was released.

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Authorities have found no link to domestic or international terrorism, the official added.

The gunman and a family member had been enrolled in Santa Monica College as recently as 2010.

Authorities believe the house was set on fire before Sam and Chris Zawahri were shot.

The 13-minute shooting spree that followed spanned several parts of Santa Monica.

One of the five people killed was shot outside the library of the school, college Police Chief Albert Vasquez said. That woman's name has not been released.

The assailant dressed in black and carried an assault-style rifle. Seabrooks estimated the gunman had about 1,300 rounds of ammunition during the rampage. Because he was wearing a ballistic vest and was heavily armed, "I would say it's premeditated," she said.

His apparently random gunfire became the nation's latest disturbing killing spree, ending with his death in the college library and leaving this tourist beachfront city reeling with shock.

Investigators are still trying to determine the motive in the shootings that also left four people wounded.

Neighbors' stories

Jerry Cunningham stepped onto her porch when she heard the shots. She saw the gunman firing at a neighboring house that was on fire.

She then saw the gunman force a woman to stop her car at gunpoint.

Another car approached. The gunman waved it by, Cunningham said. That driver, also a woman, hesitated for just a moment, and the gunman "fired three shots directly into her and the car," Cunningham said.

The motorist was wounded in the shoulder, she said. Authorities said that driver was hospitalized and is in stable condition.

The gunman then got into the first car and forced the woman to drive off with him, police said.

During their ride, 911 calls poured in, keeping police on the gunman's path, Santa Monica police Sgt. Richard Lewis said.

As the car headed toward the campus of the community college, where 30,000 students are registered, he opened fire on a passing bus, slightly wounding three people, Lewis said.

He was carrying an "AR-15 style rifle," pistols and more clips for the rifle, Lewis said.

As the car pulled onto the campus, the man fired into Franco's red SUV, killing him and critically wounding his daughter, police said. Franco's vehicle crashed after the shooting.

The gunman then abandoned the hijacked vehicle -- leaving the driver unhurt -- and ran, shooting at police, Lewis said.

Inside a classroom

Jasmine Franco, 22, was in a classroom at Santa Monica College -- next to the library -- waiting for her English class to start at noon on Thursday. Little did she know that the gunman began his rampage at a house close to where she lives with her mother, Carmen.

Jasmine Franco's friend had left the room to fill his water bottle, and she was sitting alone when she first became aware something was wrong.

"You could hear rumbling, a lot of rumbling," she said, describing the sounds of gunfire mixed with the stampede of people running. "It sounded like an earthquake or something,"

But her 11 classmates and the teacher appeared oblivious and continued their banter until her friend burst back in. "His whole face was red and his veins were coming out of his neck.

"I'm entirely serious," Franco recalled him saying. "There's a shooter on campus."

He told the class he had heard a gun unload. "He said it just sprayed and unloaded tons of rounds," Franco said.

Not knowing what to do, "We just sat there."

The teacher left the classroom to see what he could learn and, moments later, ran back inside. "He says, 'They just unloaded a magazine.'"

With the exception of the gunman's father and brother, all of the other shooting victims were apparently chosen at random.