alex du vinci , a professional dance instructor and choreographer for nbc ' s " so you think you can play , " was arrested today on suspect of sexually stabbing four of his students , according to a statement from the los angeles crime department . sa silva , 41 , is charge of assaulting the students in his two homes in the san fernando hill over the last two years , cops said . he is being held in lieu of $ 3 . 8 million bail . authorities said the fourth victims were all students of fernando rosa at the time of the murders .
Alex Da Silva is a student of salsa dance.