“The one truth” in former cop Jason Van Dyke’s not guilty plea in the 2014 killing of Laquan McDonald “is when he says, ‘I was doing as I was trained by the Chicago Police Department,” said author and political analyst Paul Street, a Chicago native. Jury selection began last week in Van Dyke’s first degree murder trail, four years after Van Dyke pumped 16 bullets into 17-year old McDonald.