Pallbearers, including APD officers, place their hands on the urn during the funeral of APD Ofc. John Kelly, Thursday, at the Albuquerque Convention Center. Kelly, 36, passed away while on duty from a heart attack. MARLA BROSE/JOURNAL The 36-year-old Albuquerque police officer who died of a heart attack while on duty last week was laid to rest Thursday after a public ceremony in front of hundreds of uniformed officers and his family and friends. During his funeral, John Kelly was praised as a selfless family man, a cunning detective and mentor as a field training officer.