Task force searches for criminals after attack on community in São João Batista Josef Abreu Santos, companion of Samira Costa Correia and father of Yan Kaleb Costa Santos, aged 4, is identified by the investigation as the main target of the attack that ended with the death of mother and son in São João Batista, according to the State Secretariat for Public Security of Maranhão (SSP-MA). He was interviewed by the police authority. The case is being investigated as a double homicide. According to the SSP-MA, the elements gathered so far indicate that the crime is related to a dispute between criminal factions. ? Click here to follow the new g1 Maranhão channel on WhatsApp The secretariat did not say in what condition Josef gave his statement or disclose other details, so as not to compromise the progress of the investigations. Family members said he had been seen in the house shortly before the attack. Samira, who was three months pregnant, and Yan were found charred inside a burned-out house on Friday (10), in the rural area of ??São João Batista. According to the police, around 15 armed men invaded the property, fired several shots and then set fire to the residence. READ ALSO: Police have already identified suspects in attack that killed pregnant woman and child in MA, says police chief Suspect involved in attack that killed pregnant woman and child dies in confrontation with police in MA Pregnant woman and child are found charred after men invaded and set fire to house in MA The victims were identified as Samira Costa Correia and Yan Kaleb Costa Santos Reproduction/Social Media Suspect died during confrontation, says SSP During the searches, one of the suspects involved in the attack, identified as Joelson Braga Araújo, died after a confrontation with police teams in the village of Arrebenta, also in the rural area of São João Batista. According to SSP-MA, Joelson wore an electronic ankle bracelet as per court order. The secretariat did not say why he was being monitored or detail the circumstances of the confrontation. Another suspect involved in the attack was arrested this Sunday afternoon, according to the SSP-MA. His identity and details about his possible participation in the crime were not disclosed. Others involved have already been identified and continue to be sought by security forces. The investigations include teams from the Civil Police, Military Police, Official Forensics, Air Tactical Center (CTA), Kennel and intelligence sectors. Attack would have involved around 15 men Pregnant woman and child are found charred after shooting and fire at home in MA According to witnesses, approximately 15 armed men would have participated in the attack. The group allegedly broke into three properties belonging to the family, but only the house where Samira and Yan were staying was occupied. The criminals allegedly fired several shots, took televisions and other objects and set fire to the residence before fleeing on foot. The Military Police found around 100 cases of ammunition already fired at the scene. There were materials in 9 mm, .38, .40 and 12 calibers. Expert examines how the victims died The expert examinations must clarify the dynamics of the attack and determine whether Samira and Yan died as a result of the shooting or the fire. Due to the conditions in which the bodies were found, the release by the Forensic Medical Institute (IML) was conditioned on the performance of a DNA test with material collected from a first-degree relative. According to SSP-MA, the exam has already been carried out. The secretariat did not say when the bodies will be released. Investigations and searches for the others involved continue in the region. The SSP-MA stated that other information will not be released at this time to preserve the progress of the search.