An article in yesterday's A section incorrectly characterized a threat to autism researchers. Dr. Gary Goldstein, president and CEO of the Kennedy Krieger Institute, was not the personal recipient of threats.

An article and headline in yesterday's Maryland section about the Baltimore County public school system's proposed operating budget for the coming school year misstated the amount of money being requested. School officials are requesting $1.18 billion for the system's spending plan.

THE SUN REGRETS THE ERRORS