MONGELLI - MAURICE of Merrick, NY on September 30, 2015 at the age of 84. Beloved husband of Marion. Loving father of Ellen Gusick (David), Nancy Luciano (Ronald), John (Lisa). Daniel J. DeLuca (Lee), Joseph DeLuca, and Tina Marie Fahy (Thomas). Cherished grandfather of Carolyn, Timothy, Alyssa, Vanessa, Nicholas, Meghan, Thomas, Jake, Katherine, James, and Matthew. Dear brother of Christine, Renata, and the late Leonard. Adored by many nieces and nephews. Proud US Army Veteran. Devoted twenty year Homicide Detective with the NYPD, and Deputy Chief Investigator in the Nassau County District Attorney's Office. In lieu of flowers donations would be appreciated to either the Sacred Heart Outreach (516) 379-1356, or Good Shepherd Hospice (631) 465-6300.