22-year-old Keeven Robinson lost his life while detained by Jefferson Parish, Louisiana, police officers. Now, a coroner has announced that he died of asphyxiation due to pressure applied to his neck.

The AP reports that Robinson’s death has been classified as a homicide, suggesting traumatic neck injuries “consistent with compressional asphyxia,” said Jefferson Parish Coroner Gerry Cvitanovich.

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Although an official autopsy report will take weeks, the coroner emphasized the accuracy of the preliminary results. “I don’t want to delay disclosure regarding the direction in which we’re heading from Mr. Robinson’s family, the sheriff’s department or the media,” Cvitanovich said. He shared the findings with the homicide victim’s mother, the AP notes.