Rose’s tee shot went right and settled at the feet of a spectator who immediately picked it up thinking it was a souvenir. 

Rose's ball gets picked up by a fan. Surprised Faldo didn't scold the person himself #OlympicGolf pic.twitter.com/GUAOyQHdkJ

— Pro Golf Weekly (@ProGolfWeekly) August 14, 2016

Give them a break, golf hasn’t been in the Olympics in over 100 years. Most the fans are probably just coming off an intense swimming and/or gymnastics event and not knowing you can’t pick it up like it’s yours.

Luckily there were a few golf fans in the crowd who explained to the woman that you can’t do it and to drop it immediately.