Prior complaints about officer charged with murdering Laquan McDonald

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CHICAGO – Jason Van Dyke is someone who has spent most of his career working in high crime areas, the toughest neighborhoods around. He was a patrol officer in Englewood and worked for a time for a unit that aggressively went into neighborhoods where crime was spiking.

Police Superintendent Garry McCarthy later disbanded this crew. Van Dyke was accused of bad deeds while wearing a badge again Tuesday, this time on a whole new level.

According to a University of Chicago analysis of complaints against officers from 2011-2015, half of the department does not accumulate any complaints. 6 percent are repeat offenders who hold 31 percent of the complaints overall, and Van Dyke fits into that last category with 18 complaints against him during his career.

According to a document acquired by the New York Times, complaints against Van Dyke range from inappropriate and racially charged language to roughing up suspects during an arrest.

- He reportedly laughed at hearing impaired subject in 2013

- Earlier that year he was accused of using the N-word when speaking to an African-American man during a traffic stop.

- In 2008 he allegedly "unnecessarily displayed his gun" and pointed it at the suspect.

- In 2011, a different suspect says he was choked by Van Dyke for not spitting out a cough drop.

All complaints were officially filed with the police department -- all of which in the end, the police department deemed "unfounded.”