That's a much higher rate than is seen in the general population. CTE is a brain disease linked to repeated blows to the head.
Two people have died in Pennsylvania from measles, the state health department said Tuesday.
Canadian trade negotiators left the U. S. last week after failing to clinch a trade deal that would stop President Donald Trump's new tariffs from taking effect.
The suspect in the incident later died from a self-inflicted gunshot wound, law enforcement said.
A total of 17 people have now been arrested in the investigation into the crash that killed seven, including two police officers.
Treasury Secretary Scott Bessent announced a new economic plot against Iran and threatened countries that continue to trade with Tehran. CBS News' Aaron Navarro has more.