Police release 911 call in punching death of Michigan State referee by player . Caller Unknown , ` ` The referee is knocked out . He 's not waking up '' John Bieniewicz , 44 , dies at hospital after what police believe was an unprovoked attack . ' A judge ordered the teenager , who was not named publicly , to keep a picture of Portillo in his cell for the remainder of his time in juvenile jail . Abdul - Amir Ahmed , 36 , faces an assault charge .
Police release 911 call in punching death of Michigan State referee by player . Caller Unknown , ` ` The referee is knocked out . He 's not waking up '' John Bieniewicz , 44 , dies at hospital after what police believe was an unprovoked attack . ' Abdul - Amir Ahmed , 36 , faces an assault charge .