Feb. 27, 2011 -- Off-duty Nassau police Officer Anthony DiLeonardo shoots and beats cabdriver Thomas Moroughan in Huntington Station after a night of drinking with fellow police Officer Edward Bienz. Moroughan is arrested and charged with assault and reckless endangerment. The Nassau Deadly Force Response Team found DiLeonardo and Bienz fit for duty.
March 4, 2011 -- The Suffolk district attorney's office takes over the investigation from the Suffolk Police Department's homicide squad.
April 20, 2011 -- The Suffolk crime lab completes a shooting reconstruction report that contradicts DiLeonardo's story that Moroughan revved his engine and tried to run him down before the shooting.
June 6, 2011 -- A judge grants a motion by the Suffolk district attorney's office to drop the charges against Moroughan. Acting Nassau Police Commissioner Thomas Krumpter orders an Internal Affairs Unit investigation.
June 14, 2011 -- The Nassau Police Department puts DiLeonardo on restricted duty and, citing the administrative investigation, removes six guns from his home.
Feb. 3, 2012 -- Moroughan files a $30 million federal lawsuit against the Nassau and Suffolk police departments, both counties and 18 named police officers and supervisors.
March 6, 2012 -- The Nassau County Indemnification Board finds Bienz's actions were committed while in the proper discharge of his duties and that DiLeonardo's actions were not.
March 12, 2012 -- Nassau Internal Affairs investigators interview Bienz, who does not say Moroughan's cab charged at DiLeonardo.
March 16, 2012 -- Nassau Internal Affairs investigators interview DiLeonardo, who says Moroughan was yelling murderous threats, details that were not in his initial account.
July 31, 2012 -- Nassau Internal Affairs investigators complete their report, which recommends that DiLeonardo be charged departmentally with 11 counts of unlawful conduct and eight counts of violating departmental rules. The report recommends that Bienz be charged departmentally with two counts of unlawful conduct and three counts of violating department rules.