Van Dyke’s attorneys plan to file motion to dismiss charges

Chicago police Officer Jason Van Dyke, charged in the shooting death of black teenager Laquan McDonald, takes the witness stand during a hearing in front of Judge Vincent Gaughan Wednesday, June 28, 2017, at the Leighton Criminal Courts Building in Chicago. (Nancy Stone /Chicago Tribune via AP, Pool)

Defense attorneys representing the Chicago police officer charged with the murder of Laquan McDonald have a big announcement today.

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The plan exactly? To file a motion to dismiss charges based on prosecutorial misconduct

RELATED: The latest news in the trial of Jason Van Dyke, charged with murder of Laquan McDonald

The details of the alleged misconduct were not stated but in previous hearings, the ex-officer Jason Van Dyke’s attorneys have argued that former Cook County States Attorney Anita Alvarez made public statements that were prejudicial.

The case has since been assigned to special prosecutor Joe McMahon from Kane County.

RELATED: New development in Laquan McDonald case involving leaked documents

Judge Vincent Gaughan also denied a separate motion filed by defense attorneys to dismiss the indictment based on a right to a speedy trial.

Laquan McDonald was shot in October of 2014 and Van Dyke was charged in November of 2015.

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