No Arrest for Michael Phelps over Pot Photo
02/16/2009 AT 05:15 PM EST
"I'm glad this matter is put to rest. But there are also some important lessons that I've learned," Phelps, 23, said in a statement Monday.
"For me, it's all about recognizing that I used bad judgment and it's a mistake I won't make again. For young people especially – be careful about the decisions you make. One bad decision can really hurt you and the people you care about."
Richland County sheriff Leon Lott announced earlier Monday that a nearly two-week investigation had failed to produce enough evidence to prosecute anyone present at a November party at the University of South Carolina, where the photo was taken.
– Melody Simmons