Every music fan at one point or another has declared themselves “obsessed” with an artist or band. While some of us may cue for hours for front row tickets to a concert or obsessively troll ebay for obscure band posters, few take their love for musicians to dangerous, stalker levels. From shock marriage proposals to drugged-up groupies to deadly stabbings, we take a look at some of rock n’ roll’s craziest fans and the artists they love.