A 17-year-old girl has been charged with murder in connection to the May 18th attack on the Islamic Center of San Diego, where three people were killed and numerous others injured. Prosecutors say the girl also published a manifesto from two teenage gunmen who carried out the attack.

The teenager, from North Carolina, was arrested last week and indicted for her role in the crime. Speaking at a news conference, O'Neill said: "The thought of her going back to school, with the weekend approaching, holy days approaching, we didn't know what she was capable of." The teenager now faces three murder charges and one count of conspiracy.

O'Neill explained that under North Carolina law, a person accused of aiding and abetting a crime can be held criminally responsible in the same way as the person who carried it out.

Authorities say attack carried out

Authorities say the attack was carried out Secondly, they wanted this carnage and destruction recorded ... livestreamed." The attackers used cameras mounted on GoPro-style helmets to record the attack, which has raised concerns about the spread of hate speech and violent ideologies online.

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A security guard at the mosque, Amin Abdullah, exchanged gunfire with the attackers and initiated a lockdown, helping protect around 140 children who were inside the building. Abdullah and two worshippers - Mansour Kaziha and Nader Awad, who drew the attentions of the shooters in a parking lot - were fatally shot.

San Diego Police officers Chief Scott Wahl previously described Abdullah's actions as "heroic", saying they had "undoubtedly" saved lives.

According to investigators, the shooters recorded the attack using cameras mounted on GoPro-style helmets. O'Neill said the pair had also planned further attacks "at a local Jewish temple and finally at a predominantly African American high school". The attackers also left behind writings containing racist and antisemitic views, as well as references to white supremacist ideologies.

The document, which was reviewed Authorities say the teenagers had an arsenal of around 30 guns and a crossbow, which investigators say were taken from one of the shooter's parents. The attack on the Islamic Center of San Diego has been described as a suspected hate crime, with many calling for increased measures to prevent similar incidents in the future.

The incident has sparked widespread outrage and condemnation, with many calling for greater action to address the root causes of hate speech and violence. O'Neill shared that the case highlights the need for vigilance and awareness, particularly among young people who may be vulnerable to extremist ideologies.

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"We urge everyone to remain vigilant and report any suspicious activity to the authorities," O'Neill said. "We also encourage parents and educators to have open and honest conversations with their children about the dangers of hate speech and violence." The case is ongoing, and further charges are expected to be filed against the teenager.

The incident has also raised questions about online safety and the spread of hate speech. O'Neill shared that the manifesto published

"We will do everything in our power to bring those responsible for spreading this hate speech to justice," O'Neill said. "We also urge social media companies to take greater responsibility for policing their platforms and removing content that promotes violence and hatred." The case is a reminder of the need for continued vigilance and action to prevent similar incidents in the future.

The attack on the Islamic Center of San Diego was one of several hate crimes reported in the United States in recent years. O'Neill shared that the case highlights the need for greater awareness and education about the dangers of hate speech and violence.