India, July 25 -- Laboratory testing has found that the substance recovered from Lorenzo Salgado Araujo's van was not a narcotic or any other illicit substance, according to US Rep. Sylvia Garcia and the Harris County District Attorney's Office.

The update comes weeks after the fatal shooting of Salgado by an Immigration and Customs Enforcement (ICE) agent in Houston. As the FBI continued its investigation into the matter, his family argued that speculation surrounding the substance unfairly damaged his reputation.

The Harris County District Attorney's Office confirmed that testing found the substance negative for narcotics. Prosecutors declined further comment, citing the ongoing investigation.

The FBI, which is leading the federal pr...