"The autopsy report has not been provided to the next of kin at this time because the attorney general's office is conducting an investigation into the police officers' use of force in this incident," said Jason Miller, a spokesman for state Department of Justice.
Matusiewicz's widow, Lenore Matusiewicz, said this week that she wants her own independent autopsy.
"I want to have my own CAT scan of Tom's head done," she said. "They did the autopsy, but I want my own CAT scan."
"If Tom had a meningioma, he was not himself," she added, saying her husband had become very secretive, was constantly losing things, and that his behavior had changed in the months before the shootings.
Lenore Matusiewicz said she had spoken with Michael Price, chief forensic investigator for the medical examiner's office, but was told she could not have a copy of the autopsy report.
"He said he could not release any information to me, even though I'm Tom's wife ... that they did a complete examination of Tom's body, and in order for him to release anything to me I had to contact the attorney general's office."