September 17, 2006 - James Chasse is beaten to death by police officers. October 18, 2006 - Grand jury brings no indictment against Chasse officers.
January 30, 2009 - Chief of Police Rosie Sizer tells media the investigations, 'is going through the process, and I do not think it will take too much longer.'
August 2009 - Three years after the death of James Chasse, mental health advocates call for release of investigation.
November 27, 2009 - Portland Police Association supporters march on City Hall.
January 29, 2010 - Aaron Campbell is shot in the back during routine welfare check by Portland Police Bureau officer Ronald Frashour. On February 11, the grand jury brings no indictment to Campbell officer. On February 17, Jesse Jackson calls for a Department of Justice investigation of the death of Aaron Campbell.
March 22, 2010 - Jack Dale Collins, a person with a diagnosis of mental illness, is shot and killed by a Portland police officer.
May 12, 2010 - Keaton Otis, a person with a diagnosis of a mental illness, is shot and killed by Portland Police officers during a routine traffic stop. On May 28, a grand jury brings no indictment to Otis officers.
May 12, 2010 - Portland Mayor Sam Adams fires Police Chief Rosie Sizer.
December 17, 2010 - Darryel Ferguson, a person with a diagnosis of mental illness, is shot and killed by two Portland police officers. On December 30, a grand jury brings no indictment to Ferguson officers.
January 2, 2011 - Thomas Higginbotham, a person with a diagnosis of mental illness, is shot and killed by two Portland police officers. On January 28, a grand jury brings no indictment to Higginbotham officers.
June 8, 2011 - Assistant U.S. Attorney General Thomas E. Perez announced a federal investigation into whether the Portland police engage in a "pattern or practice" of civil rights violations, particularly against people with mental illness, relating to officers' use of force, and charged the Civil Rights Divisions Special Litigation section to conduct the review with the U.S. attorney's office.
June 30, 2011 - William Monroe, a person with a diagnosis of mental illness, is shot from behind by Portland Police officer Dane Reister. Reister claimed he intended to shoot Monroe with an orange less-lethal "bean-bag" rifle. On November 11, 2011 Reister was the first Portland police officer indicted for use-of-force since the early 1960s. The city settled out of court with Monroe for $2.3 million in April 2012. Reister plead not guilty on June 30, 2012, and was fired from the force on October 16, 2013.
January 25, 2012 - Bradley Morgan, a person with a diagnosis of mental illness, is shot and killed by Portland Police officer David Scott, and Sgt. John Holbrook. They were drawn to Morgan's position high atop a downtown parking structure because of his call to a suicide hotline. Officers claimed Morgan pointed a gun, later found to be a toy, at them. On February 15, 2012, a grand jury finds no cause to indict the officers. In January 2014, Morgan's family filed a Federal suit against the city for $3 million.
July 28, 2012 - Billy Wayne Simms, a person with a diagnosis of mental illness, is shot six times and killed by Portland Police officer Justin Clary with an AR-15. Clary stated he believed Simms was reaching for a gun, and a 22-caliber handgun was found. Simms had also swallowed a bullet earlier in the day. On August 12, 2012, a grand jury finds no cause to indict Clary.
September 13, 2012 - Perez announced reported problems with Portland Police Bureau's policies, training and supervision, including a pattern and practice of harming people with mental illness, including excessive use of Tasers. Both parties release a preliminary agreement.
October 26, 2012 - The parties in U.S. v City of Portland announce a settlement agreement of 187 items to be resolved over five years. Activists denounce the agreement as insufficient and unfair.
November 14, 2012 - Portland City Council approve the settlement agreement in U.S. v City of Portland.
November 28, 2012 - Portland City Council extends a tax on land-line phone service providers to cover the costs of police reforms stemming from the settlement of U.S. v City of Portland. Estimated value of the tax is $3–$5 million per year.
February 17, 2013 - Merle Hatch, a person with a diagnosis of mental illness and a long history of drug addiction, is shot six times and killed by Portland Police Sgt. Nathan Voeller and officers Andrew Hearst and Royce Curtiss after he charged them in a hospital parking lot. Hatch had tried to access the hospital for psychiatric care. He was a Federal fugitive at the time of his death. On March 20, 2013, a grand jury finds no cause to indict the three officers.
March 4, 2013 - Santiago Cisneros III, a veteran with a diagnosis of mental illness, is shot and killed by Portland Police Officers Michele Boer and Bradley J. Kula after he ambushed them in a parking lot. A grand jury finds no criminal wrongdoing by police.
November 6, 2013 - Parties and amici agree on final settlement of U.S. v City of Portland. Parties and amici agree to not oppose the settlement.
February 18, 2014 - Judge Michael Simon holds a two day "fairness hearing" inviting community members to answer if the settlement is fair, reasonable and adequate. Most say it is not.
March 12, 2014 - Kelly Swoboda, a fugitive with a diagnosis of mental illness and drug addiction, is shot and killed by Portland Police Officers John Romero. Swoboda had a long criminal history and was wanted for kidnapping. On April 7, 2013, a grand jury found no cause to indict Romero, who was wounded.
June 12, 2014 - Nick Davis, a person with a diagnosis of schizophrenia, is shot and killed by Portland Police officer Robert Brown. Davis was 23 and homeless. Brown claimed Davis attacked him with a crowbar. On July 12, 2014, a grand jury found no cause to indict Brown.
August 29, 2014 - Judge Simon accepts the settlement of U.S. v City of Portland but requires annual progress reports starting September 2015.
September 14, 2014 - The final three COCL candidates, led by Daniel Ward, John Campbell and Dennis Rosenbaum, make a public presentation.
October 17, 2014 - City Council led by Mayor Charlie Hales vote to appeal Judge Simon's requirement of annual progress reports.
November 7, 2014 - Mayor Hales and City Council select the Dennis Rosenbaum Group, the weakest and least-favored candidate, to be the monitor of U.S. v City of Portland.