It remains unclear exactly how Freddie Gray received the spinal injuries which killed him. Bystander video shows police dragging him to a van, as he screams in pain, his body apparently limp. According to a police timeline, Gray asked for an inhaler as he was going into the van, but a medic wasn’t called for more than 40 minutes. Now, The Washington Post has obtained a police document which contains an affidavit by a fellow prisoner who was in the van with Gray, but who couldn’t see him because they were separated by a metal partition. The document, written by a police investigator, says the fellow prisoner told police he could hear Gray “banging against the walls” of the vehicle and believed that Gray “was intentionally trying to injure himself.” Jason Downs, an attorney for Gray’s family, questioned the police account, saying, “We disagree with any implication that Freddie Gray severed his own spinal cord.” Downs continued: “We question the accuracy of the police reports we’ve seen thus far, including the police report that says Mr. Gray was arrested without force or incident.”