The biker suspected of smashing in the window of Alexian Lien's Range Rover with his helmet is expected to turn himself in today according to a report from NBC 4 New York and the Associated Press. The 37-year-old was shown at the very end of the now viral video (below) using his motorcycle helmet to smash the driver's side window.
The suspect and other bikers allegedly then pulled Alexian from this car and beat him. Police have reportedly been talking with the mother of the suspect's six children and other family members to arrange for his surrender.
According to the NBC 4 New York/Associated Press report, the suspect has 21 prior arrests including some drugs, weapons possession, and robbery charges!