Somehow, a flash drive with sexually explicit images ended up on the computer used in the presentation. The images lasted for about 30 seconds.
Outraged parents have hired an attorney to pursue some kind of civil action against the blood bank.
"The parents are outraged. Every parent that I've talked to is very concerned. We're still talking about the senior class, but these kids are 17,18 years old at the most," said attorney Peter J. Payne.
In a letter to parents, the school district apologized, calling the incident "inexcusable."
Police are investigating, but so far, no charges have been filed.
Meantime, the blood bank said the employee has been suspended.
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