“He was going to surrender,” the witness said of Salgado Araujo, adding he never attacked or threatened officers. A source with preliminary details of the shooting said Salgado Araujo was not the target of the enforcement action. Because Salgado Araujo’s van and tools had been stolen in the past, he had been cautious about being followed, his son told CNN. Texas Democratic lawmakers, activists and Salgado Araujo’s family have called for an independent investigation into his death. That drew pushback from Salgado Araujo’s family, whose lawyer said she believed the substance was salt, used to make a homemade electrolyte mix.