San Andrés Preparatory School attack
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10:47 a.m.
- Claw hammer
- Axe (unused)
- Knife (unused)
| San Andrés Preparatory School attack | |
|---|---|
 CCTV still of Brandon about to attack a classmate. | |
| Location | San Andrés Preparatory School, Guadalajara, Jalisco, Mexico |
| Date | 30 November 2024 10:47 a.m. |
Attack type | School attack, bludgeoning, attempted mass murder |
| Weapons |
|
| Deaths | 0 |
| Injured | 2 |
| Perpetrator | Brandon Alonso |
| Motive | Neo-Nazism, Satanism |
On 30 November 2024, a 17-year-old student carried out a school attack at the San Andrés Preparatory School (in Spanish, Preparatoria San Andrés) in Guadalajara, Jalisco, Mexico, injuring 2 classmates with a hammer before being subdued and arrested.
The perpetrator started a livestream on social media at 10:46 a.m., subtitled "school massacre, enjoy the show".[1] He is shown walking up to a group of students with a hammer in one hand, axe in the other, and hitting one of them with a hammer on the back of the head before turning to another one, hitting them in the face.[2] At that point the first student to be struck stands up and grabs the perpetrator from behind by the arms, immobilizing him. The perpetrator was later arrested, whereas both victims were treated at a local hospital.[3]
The stream, which reached 29 thousand views, was taken offline when someone turned the perpetrator's phone off, with the video archive being taken offline shortly after the student's detainment.[1][4] In his belongings, a knife, a bottle of alcohol and a lighter were also found besides his two main weapons.[2]
Perpetrator
The perpetrator was identified as a 17-year-old male student of the school named Brandon Alonso.[a][1] Classmates often described him as a loner, and he hadn't attended classes since the beginning of the school semester in October.[5]
He had a long history of sharing violent messages through Facebook and X (where he only had 14 followers),[3] including showing off the corpse of a mouse he had killed and a selfie taken inside of a burning church, claiming responsibility for the arson attack.[6] He often praised Satanism, Nazism and Adolf Hitler on social media, posing in one photo while doing a Roman salute with the caption "Sieg Heil" and showing off an inverted cross in the background of his profile picture.[6] He had also announced his plans to commit a "massacre" three days prior to the attack.[3] Brandon finally announced his plans on social media at 8:44 a.m., telling his followers to "enjoy the show".[2]
Aftermath
The event was compared to a similar school attack occurred in the same city of Guadalajara 8 months before, also using an axe and knives, where the 20-year-old perpetrator killed three people (one before the attack) and injured another using a combat axe before being arrested. He later committed suicide while awaiting trial. Both attacks only used melee weapons, both were announced on social media hours before the events, leading to speculation about online groups' influence in their radicalization,[4] along with critique towards the Mexican healthcare system for not giving either perpetrator proper mental health support.[7] Some also compared both attacks to the recurring incidents of school shootings in the United States.[3]
Legal process
After being arrested, the teenager was charged with qualified injuries,[8] later also being charged with apologia of criminal acts.[9] On 6 December, he was placed under preventive detention for 6 months.[10]