Charges will be filed if warranted , Phelps 's spokesman said . Police published photo it says was taken at University of South Carolina . We are confident that , going forward , Michael will consistently set the kind of example we all expect from a great Olympic champion . '' Photo shows Phelps with a water pipe used for growing marijuana . Phelps resigned over weekend for ` ` regrettable behavior ''
Charges will be filed if warranted , Phelps 's spokesman said . Police published photo it says was taken at University of South Carolina . Photo shows Phelps with a water pipe used for growing marijuana . Phelps resigned over weekend for ` ` regrettable behavior ''