Football player <a href="http://www.cnn.com/2016/05/04/us/johnny-manziel-booked/index.html" target="_blank">Johnny Manziel</a> turned himself turned himself in to police in Highland Park, Texas, on Wednesday, May 4, and was booked on misdemeanor assault charges, said Lt. Lance Koppa with the Highland Park Department of Public Safety. Manziel is accused of assaulting his former girlfriend in January. He has denied hitting her, and his lawyer said he'll plead not guilty.