I think you misread the presentation.
He quoted what was reported on the website which the FBI examination proved was BS
FTA
Facts
• Six .40 S&W rounds, five which expanded, were
recovered on autopsy.
• It is impossible for .40 S&W 180 gr. JHP
ammunition to expand with only 1 in. or less
penetration in a human body.
• After all .223 rounds had been fired, assailant was
hit with 180 gr. Gold Dot in right arm above the
elbow.
• Officers had to “fight” assailant in order to get
handcuffed.