the accused ringleader of a group of michigan teens who killed an automobile passenger by throwing rocks off an overpass was sentenced tuesday to between three and 20 years in prison. 4 of 5 teens in deadly michigan rock-throwing case accept plea deals the four boys could have faced up to life in prison if convicted of murder. four michigan teens who pleaded guilty to throwing a rock off a highway overpass that killed a man may be sentenced as adults, according to cnn affiliate wjrt. kyle anger, 19, the lone teen in the case tried as an adult, was sentenced by genesee circuit judge joseph j. michigan man sentenced in toss of rock off overpass that killed vehicle passenger. 4 michigan teens sentenced as adults in fatal rock-throwing incident they were ages 15 to 17 when they threw rocks onto i-75 in october of 2017 in genesee county. The rocks and other items were gathered from other locations, loaded in a trunk and then driven to overpasses to throw them over. flint (wwj) - a michigan teen has been bound over for trial in the murder of a 32-year-old man who was hit by a rock thrown from an i-75 overpass. Kyle anger, 18, is one of five and the oldest defendant charged in the death of kenneth white of mt. Michigan man dead after teens throw six pound rock through his windshield oct. 24, 2017 0148 i dont believe that this was a deliberate attempt to take somebodys life. Kenneth white, 32, was killed on october 18, 2017, when a 6-pound (2. 7 kg) rock thrown by a group of five teenage vandals (mikadyn payne, trevor gray, alexzander miller, mark sekelsky and kyle anger) crashed through the windshield of the van he was riding in on interstate 75 in michigan, in vienna township, 80 miles (130 km) north of detroit.