November 2002 - Suffolk County Police Department hires Kenneth Hamilton.

November 2003 - Citizen complaint filed against Hamilton for use of undue force. Department investigators find the complaint unfounded.

January 2004 - Unspecified citizen complaint filed against Hamilton. The case is closed.

May 2004 - Citizen complaint filed against Hamilton for excessive force. Department investigators find the complaint unfounded.

October 2005 - Ryan Kroeger files federal lawsuit against Hamilton and the police department that alleges unjustified assault and use of excessive force during an April 2005 encounter.

November 2005 - Citizen complaint filed against Hamilton for excessive force and false arrest. Department investigators exonerate Hamilton.

August 2006 - Citizen complaint filed against Hamilton for excessive force and false arrest. Department investigators exonerate Hamilton.

September 2006 - Department investigation into Hamilton for illegal search and seizure and unprofessional conduct. Those charges are ruled unfounded.

June 2007 - Suffolk County settles with Kroeger for $24,000.

September 2008 - Citizen complaint filed against Hamilton for excessive force. Department investigators exonerate Hamilton.

August 2009 - Edgar Jara files federal lawsuit against Hamilton, unnamed officers and the police department alleging false arrest and brutality during an August 2006 encounter.

April 2010 - Hamilton and another officer beat Kevin Turner during an April 6 arrest. Turner is admitted to the hospital with severe injuries. The following day a citizen complaint is lodged against Hamilton for excessive force and false arrest. It’s unclear if the complaint is related to the Turner case, and records indicate the charges remain unresolved.

January 2011 - Turner dies from injuries suffered during his encounter with police.

May 2012 - Department investigation into Hamilton for unspecified misconduct. Records indicate the investigation is unresolved.

July 2012 - Hamilton applies for a line-of-duty disability retirement due to injuries he said he suffered during the Turner arrest. No decision has been made on the application.

September 2012 - Suffolk County settles with Edgar Jara for $13,000.

Sources: Suffolk County liability settlement records, federal court filings, Suffolk County Police Department officer history for Kenneth Hamilton