[4][5][6] Luiz Henrique Lima, a 25-year-old male and the suspected attacker, who is believed to have jumped over a wall to gain access to the school, surrendered at a nearby police station.

[9] At around 9:00 BRT (12:00 GMT), Luiz Henrique Lima jumped over a wall of the Cantinho Bom Pastor daycare center and began attacking children in the playground.

[13] In addition, threats of massacres began to circulate on social networks in a large part of the country, which caused suspension of classes, rescheduling of tests and administrative meetings in schools.

[20] Due to the "window of contagion effect" and studies indicating that many of the criminals seek fame by perpetrating the attacks, on the same day Grupo Globo announced a change in the policy of covering massacres, announcing that the names and images of the criminals, as well as images of the actions, would never again be disclosed, before, as explained by journalists such as William Bonner, who gave the information in Jornal Nacional, the policy was to disclose this data only once, "This policy changes this Wednesday (5th) and will be even more restrictive: the name and image of perpetrators of attacks will never be published, as well as videos of the actions; The decision follows the most recent recommendations of prestigious experts on the subject, for whom giving visibility to aggressors can serve as a stimulus to new attacks", Bonner explained.

[21] O Estado de S. Paulo did not release photos or videos of the attack, on the portal, shortly after the crime, next to the published news, there was the following note:[22] O Estadão decided not to publish photos, videos, names or other information about the author of the attack, even though he is of legal age; This decision follows recommendations from experts in communication and violence, research shows that this exposure can lead to an "effect of contagion", appreciation and stimulation of the act of violence in hateful individuals and communities, which results in new cases, the visibility of the aggressors is considered a “trophy” within these networks, for the same reason, videos of the attack on a state school in Vila Sônia, west of São Paulo, on March 27 were also not released