Mexican influencer César Gastélum was shot dead on the evening of Tuesday, August 4, while livestreaming on TikTok from a neighborhood in Culiacán, a city in the state of Sinaloa (BBC; Milenio).

Gastélum was filming with two friends outside a fast food restaurant when two men on a motorbike drove up and one opened fire at close range. The attackers fled right away and no arrests have been made (BBC). On the livestream, Gastélum and his companions wore bright orange coats and bags like the ones food delivery drivers wear. Local media reported that this led police to initially think the victim was a delivery driver, but officials later found out who he actually was (BBC).

Minutes before the attack, Gastélum told friends he was worried about a suspicious motorbike nearby, saying "Esos chavalos me dan miedo" — "Those kids scare me" (Milenio). His livestream captured the final moments before he was intercepted and killed (Milenio).

Gastélum had more than half a million TikTok followers and mostly posted comedy videos (BBC). It is not yet known whether he had received any threats before the killing.

After the shooting, police and forensic experts blocked off the area and examined bullet casings and security camera footage for evidence (BBC).

This killing is part of a growing pattern of violence against social-media personalities in Mexico. In 2024, 23-year-old influencer Valeria Márquez was shot dead at a beauty salon while livestreaming on TikTok. In December 2024, influencer Leobardo Aispuro, known as "El Gordo Peruci," was shot dead in a killing that police said may have been connected to rivalry between two warring factions of the Sinaloa cartel (BBC).

The broader context here is a split inside the Sinaloa cartel, one of Mexico's most powerful criminal organizations. The cartel's two main factions, known as Los Chapitos and La Mayiza, turned against each other in September 2024. Since then, violence in Sinaloa, the state where Culiacán is the capital, has soared, with waves of targeted killings, disappearances, and street violence centered on the city. Social-media figures with large local followings have been caught up in that violence, whether as deliberate targets, people seen as connected to one side, or simply bystanders caught in the crossfire. The Aispuro killing in December, which police linked to the cartel's internal feud, showed a direct connection between the cartel split and the targeting of online personalities.

What we do not yet know is why Gastélum was killed. Whether his death was connected to organized crime, a personal dispute, or something else entirely is not yet established. He did express alarm about a motorbike moments before being shot, which suggests he may have sensed a threat. But that alone does not prove who was responsible or link the killing to any particular group. Mexican authorities have not, based on available reporting, identified suspects or said what direction their investigation is taking.

One thing that makes this case stand out is that it was broadcast live. The Márquez killing in 2024 was also streamed in real time. When violence happens during a livestream, it creates a situation that is both witnessed by an audience as it occurs and preserved as evidence afterward. For investigators, a livestreamed killing provides a timestamp, a visual record, and sometimes audio, all of which can help identify who did it. For criminal groups, carrying out violence where it will be seen sends a message to others, extending the impact far beyond the immediate victim.

Culiacán's security has worsened sharply since the September 2024 cartel split. The city has experienced multiple high-profile killings since then, and Sinaloa remains one of the most violent states in Mexico. When the people targeted have large social-media followings, the effect is amplified: each killing spreads through the very platforms the victims used, reaching audiences far beyond where the crime took place.

Gastélum's death is the latest in a trend that now includes at least three influencer killings over roughly a year, two of them broadcast live. Without arrests or a stated investigative direction in this case, the pattern continues unbroken.