A singer who competed on both American Idol and The Voice has been arrested in California. According to TMZ, Dimitrius Graham was booked in El Lay on trespassing charges. But what happened? Well, according to a shocking video going viral on social media, you can see Dimitrius on a metro train being handcuffed by several cops as he shouts about what's going on. In the clip, he explains that he's "trying to go upstairs" to buy a "TAP card," AKA a ticket for the train.