As of Tuesday, an autopsy had not found any abnormalities in Stephen Paddock‘s brain when he opened fire on a crowd at a Las Vegas music festival earlier this month, killing 58 people and injuring hundreds more, an official told the Las Vegas Review-Journal.
Las Vegas Sheriff Joe Lombardo told the paper in a Tuesday interview that he didn’t have any information about Paddock’s toxicology results, but that the autopsy was underway.
Lombardo said Paddock’s motive in the mass shooting remained unclear, despite extensive investigation including contact with his entire “family tree.”
“We may never know,” Lombardo said. “All those things that you would expect to find, we have not found.”
Paddock’s girlfriend, who has been cooperating with authorities, told them she had no concerns about his mental health, according to the Review-Journal.
Authorities have said that on